| Niagara Falls to Rury | 4,408.98 mi (7,095.58 km) |
| Niagara Falls to Rybnik | 4,315.91 mi (6,945.78 km) |
| Niagara Falls to Ryki | 4,372.53 mi (7,036.91 km) |
| Niagara Falls to Rypin | 4,229.69 mi (6,807.02 km) |
| Niagara Falls to Rzeszow | 4,441.31 mi (7,147.60 km) |
| Niagara Falls to Sandomierz | 4,405.44 mi (7,089.87 km) |
| Niagara Falls to Sanok | 4,469.29 mi (7,192.63 km) |
| Niagara Falls to Sedziszow Malopolski | 4,429.32 mi (7,128.30 km) |
| Niagara Falls to Sepolno Krajenskie | 4,149.02 mi (6,677.20 km) |
| Niagara Falls to Sidlice | 4,152.03 mi (6,682.05 km) |
| Niagara Falls to Siechnice | 4,227.99 mi (6,804.30 km) |
| Niagara Falls to Siedlce | 4,362.19 mi (7,020.27 km) |
| Niagara Falls to Siemianowice Slaskie | 4,323.94 mi (6,958.70 km) |
| Niagara Falls to Siemiatycze | 4,371.38 mi (7,035.05 km) |
| Niagara Falls to Sieradz | 4,262.94 mi (6,860.53 km) |
