| Niagara Falls to Tutzing | 4,125.27 mi (6,638.99 km) |
| Niagara Falls to Twist | 3,800.98 mi (6,117.08 km) |
| Niagara Falls to Twistringen | 3,855.05 mi (6,204.10 km) |
| Niagara Falls to Ubach-Palenberg | 3,820.42 mi (6,148.37 km) |
| Niagara Falls to Uberherrn | 3,897.93 mi (6,273.11 km) |
| Niagara Falls to Uberlingen | 4,046.95 mi (6,512.94 km) |
| Niagara Falls to Ubstadt-Weiher | 3,976.36 mi (6,399.33 km) |
| Niagara Falls to Ueckermunde | 4,017.24 mi (6,465.12 km) |
| Niagara Falls to Uelzen | 3,919.72 mi (6,308.18 km) |
| Niagara Falls to Uetersen | 3,863.31 mi (6,217.40 km) |
| Niagara Falls to Uetze | 3,923.29 mi (6,313.93 km) |
| Niagara Falls to Uhingen | 4,030.30 mi (6,486.14 km) |
| Niagara Falls to Ulm | 4,056.54 mi (6,528.37 km) |
| Niagara Falls to Unna | 3,860.43 mi (6,212.76 km) |
| Niagara Falls to Unterfohring | 4,129.34 mi (6,645.54 km) |
