| Border towns | Bordering countries |
|---|
| Benque Viejo del Carmen |  Belize / Guatemala |
| Chetumal |  Mexico / Belize |
| Mexico / Guatemala |
| Corozal Town | Belize / Mexico |
| Melchor de Mencos | Belize / Guatemala |
|  United States / Canada |
| Juneau, Alaska |
| Point Roberts, Washington / Tsawwassen, British Columbia |
| Blaine, Washington / Surrey, British Columbia |
| Sumas, Washington / Abbotsford, British Columbia |
| Laurier, Washington / Cascade City |
| Sweetgrass, Montana / Coutts, Alberta |
| Portal, North Dakota / North Portal, Saskatchewan |
| Gretna, Manitoba |
| Pembina, North Dakota / Emerson, Manitoba |
| Noyes, Minnesota / Emerson, Manitoba |
| Baudette, Minnesota / Rainy River, Ontario |
| Emo, Ontario |
| International Falls, Minnesota, Ranier, Minnesota / Fort Frances, Ontario |
| Sault Ste. Marie, Michigan / Sault Ste. Marie, Ontario |
|
| Wyotte, Michigan, Ecorse, Michigan / LaSalle, Ontario |
| Detroit, Michigan, River Rouge, Michigan / Windsor, Ontario |
| Algonac, Michigan |
| Port Lambton, Ontario |
| Marine City, Michigan / Sombra, Ontario |
| East China Township, Michigan |
| St. Clair, Michigan |
|
| Port Huron, Michigan / Sarnia, Ontario |
| Buffalo, New York / Fort Erie, Ontario |
| Niagara Falls, New York, Youngstown, New York / Niagara Falls, Ontario |
| Lewiston, New York / Queenston, Ontario |
| Cape Vincent, New York / Wolfe Island, Ontario |
| Morristown, New York / Brockville, Ontario |
| Ogdensburg, New York, Johnstown, Ontario / Prescott, Ontario |
| Massena, New York / Cornwall, Ontario |
| Waddington (village), New York |
| Morrisburg, Ontario |
| St. Regis, New York / Akwesasne, Quebec |
| Fort Covington, New York / Dundee, Quebec |
| Champlain, New York / Saint-Bernard-de-Lacolle, Quebec |
| Rouses Point, New York |
| Canaan, Vermont |
| Derby Line, Vermont / Rock Isl/, Quebec |
| Norton, Vermont / Stanhope, Quebec |
| Estcourt Station, Maine / Pohénégamook, Quebec |
| Fort Kent, Maine / Clair, New Brunswick |
| Frenchville, Maine |
| Madawaska, Maine / Edmundston, New Brunswick |
| Van Buren, Maine / St. Leonard, New Brunswick |
| Hamlin, Maine |
| Limestone, Maine |
| Fort Fairfield, Maine |
| Easton, Maine |
| Mars Hill, Maine |
| Blaine, Maine |
| Bridgewater, Maine |
| Monticello, Maine |
| Littleton, Maine |
| Houlton, Maine / Woodstock, New Brunswick |
| Hodgdon, Maine |
| Cary, Maine |
| Amity, Maine |
| Orient, Maine |
| Weston, Maine |
| Danforth, Maine |
| Baileyville, Maine |
| Vanceboro, Maine / St. Croix, New Brunswick |
| Baring Plantation, Maine |
| Calais, Maine / St. Stephen, New Brunswick |
| Robbinston, Maine |
| Perry, Maine |
| Eastport, Maine / Deer Island, New Brunswick |
| Lubec, Maine / Campobello Island, New Brunswick |
| San Diego, California / Tijuana, Baja California[1] | United States / |
| Tecate, Baja California |
| Calexico, California / Mexicali, Baja California |
| Gadsden, Arizona |
| San Luis, Arizona / San Luis Río Colorado, Sonora/Los Algodones, Baja California |
| Yuma, Arizona / Los Algodones, Baja California |
| Sonoyta, Sonora |
| Naco, Arizona / Naco, Sonora |
| Nogales, Arizona / Nogales, Sonora |
| Douglas, Arizona / Agua Prieta, Sonora |
| Columbus, New Mexico / Puerto Palomas, Chihuahua |
| Sunland Park, New Mexico / Ciudad Juárez, Chihuahua |
| El Paso, Texas / Ciudad Juárez, Chihuahua |
| Socorro, Texas |
| San Elizario, Texas |
| Doctor Porfirio Parra |
| Tornillo, Texas |
| Presidio, Texas / Ojinaga, Chihuahua |
| Boquillas del Carmen |
| Del Rio, Texas / Ciudad Acuña, Coahuila |
| Eagle Pass, Texas / Piedras Negras, Coahuila |
| Rosita, Texas |
| Hidalgo, Coahuila |
| Colombia, Nuevo León |
| Laredo, Texas / Nuevo Laredo, Tamaulipas |
| El Cenizo, Texas |
| San Ygnacio, Texas |
| Falcon Mesa, Texas |
| Siesta Shores, Texas |
| Salineño, Texas |
| Roma, Texas / Ciudad Miguel Alemán, Tamaulipas |
| Escobares, Texas |
| La Rosita, Texas |
| Los Alvarez, Texas |
| Los Villareales, Texas |
| Rio Grande City, Texas |
| La Grulla, Texas |
| Los Ebanos, Texas / Gustavo Díaz Ordaz, Tamaulipas |
| Mission, Texas |
| McAllen, Texas |
| Hidalgo, Texas / Reynosa, Tamaulipas |
| Edinburg, Texas |
| Pharr, Texas / Reynosa, Tamaulipas |
| Progreso Lakes, Texas / Nuevo Progreso, Río Bravo, Tamaulipas |
| Río Rico, Tamaulipas |
| Bluetown-Iglesia Antigua, Texas |
| Encantada-Ranchito El Calaboz, Texas |
| Brownsville, Texas / Matamoros, Tamaulipas | |
| Border towns | Bordering states and territories |
|---|
| Ardmore and Ardmore | / |
| Lanett and West Point | / |
| Flomaton and Century | / / |
| Florala and Paxton |
| Phenix City and Columbus | / |
| Bluewater and Bluewater | / |
| Bullhead City and Laughlin | / |
| Colorado City and Hildale | / |
| / |
| Fort Defiance | / |
| Fredonia and Kanab | / |
| Mohave Valley and Needles | / |
| Oljato-Monument Valley | / |
| Parker | / |
| Teec Nos Pos | / |
| Window Rock |
| Yuma and Winterhaven | / |
| / |
| Texarkana and Texarkana | / |
| West Memphis, Southaven and Memphis | / / |
| Kings Beach and Incline Village | / |
| New Pine Creek and New Pine Creek | / |
| South Lake Tahoe and Stateline | / |
| Tulelake | / |
| / |
| / |
| / |
| / |
| Delmar and Delmar | / |
| Marydel and Marydel |
| Washington, D.C., Oxon Hill, and Alexandria | // / |
| Chattahoochee | / |
| Esto | / |
| Jennings | / |
| Pensacola | / |
| Augusta and North Augusta | / |
| Rossville and Chattanooga | / |
| St. Marys | / |
| Fruitland and Ontario | / |
| Lewiston and Clarkston | / |
| Moscow and Pullman |
| Oldtown and Newport |
| Post Falls and Liberty Lake |
| Payette | / |
| Weiser |
| Chicago and Hammond | / |
| East St. Louis and St. Louis | / |
| / |
| Jeffersonville and Louisville, Kentucky | / |
| Michiana Shores and Michiana | / |
| New Albany and Louisville | / |
| Union City and Union City | / |
| Council Bluffs and Omaha | / |
| Dubuque and East Dubuques | / |
| Sioux City, South Sioux City, and North Sioux City | / / |
| Overland Park, Kansas City (KCK), Leawood, Prairie Village, Mission Hills, Westwood, Westwood Hills, Mission Woods and Kansas City | / |
| Covington and Cincinnati | / |
| Fort Campbell and Clarksville | / |
| Fulton and South Fulton | / |
| Vidalia and Natchez | / |
| Kittery and Portsmouth, | / |
| Cumberland and Ridgeley | / |
| Knoxville and Harper's Ferry |
| Fall River and North Tiverton | / |
| South Attleboro and Pawtucket |
| Ironwood and Hurley | / |
| Lambertville and Toledo | / |
| Lost Peninsula and Toledo |
| St. Vincent and Pembina | / |
| Breckenridge and Wahpeton |
| Duluth and Superior | / |
| East Grand Forks and Grand Forks | / |
| La Crescent and La Crosse | / |
| Lakeland and Hudson |
| Moorhead and Fargo | / |
| St. Vincent and Pembina |
| Winona | / |
| Fairview | / |
| Westby | / |
| Henry | / |
| Whiteclay and Pine Ridge | / |
| Denio | / |
| Jackpot | / |
| McDermitt | / |
| Mesquite | / |
| Owyhee | / |
| Primm | / |
| West Wendover and Wendover | / |
| Nashua | / |
| Camden and Philadelphia | / |
| Carteret and New York City | / |
| Edgewater and New York City |
| Elizabeth and New York City |
| Englewood Cliffs and New York City |
| Guttenberg and New York City |
| Hoboken and New York City |
| Jersey City and New York City |
| Lambertville and New Hope | / |
| Linden and New York City | / |
| North Bergen and New York City |
| Perth Amboy and New York City |
| Phillipsburg and Easton | / |
| Trenton and Morrisville |
| Weehawken and New York City | / |
| West New York and New York City |
| Woodbridge Township and New York City |
| Anthony and Anthony | / |
| Sunland Park and El Paso |
| Texico and Farwell |
| Waverly and South Waverly | / |
| Charlotte and Fort Mill | / |
| Bridgeport and Wheeling | / |
| Proctorville and Huntington |
| Pocola | / |
| Rock Island |
| Hood River and White Salmon | / |
| Jordan Valley | / |
| Milton-Freewater and Walla Walla | / |
| Nyssa | / |
| Portland and Vancouver | / |
| The Dalles and Dallesport |
| Umatilla |
| Point Marion and Morgantown | / |
| Lemmon | / |
| Yankton | / |
| Bristol and Bristol | / |
| Canutillo | / |
| El Paso |
| Orange | / |
| Cornish | / |
| Cove | / |
| Lewiston |
| Manila | / |
| Portage | / |
| St. George | / |
| Bluefield and Bluefield | / |
| Weirton and Stuebenville | / |
| Asotin | / |
| Beloit and South Beloits | / |
| Pine Bluffs | / | |
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