| Well-Known US City | City Across the River |
| Portland, Oregon | |
| Fargo, North Dakota | |
| Washington, DC | |
| Cincinnati, Ohio | |
| Louisville, Kentucky | |
| St. Louis, Missouri | |
| Davenport, Iowa | |
| | Well-Known US City | City Across the River |
| Detroit, Michigan (in Canada) | |
| Duluth, Minnesota | |
| Philadelphia, Pennsylvania | |
| New York (Manhattan), New York | |
| Portsmouth, New Hampshire | |
| Omaha, Nebraska | |
| El Paso, Texas (in Mexico) | |
|