| Niagara Falls to Pyrzyce | 4,068.47 mi (6,547.56 km) |
| Niagara Falls to Pyskowice | 4,306.36 mi (6,930.41 km) |
| Niagara Falls to Raciborz | 4,304.43 mi (6,927.31 km) |
| Niagara Falls to Radom | 4,355.09 mi (7,008.84 km) |
| Niagara Falls to Radomsko | 4,308.84 mi (6,934.40 km) |
| Niagara Falls to Radzionkow Nowy | 4,315.95 mi (6,945.85 km) |
| Niagara Falls to Radzymin | 4,314.82 mi (6,944.03 km) |
| Niagara Falls to Radzyn Podlaski | 4,390.03 mi (7,065.07 km) |
| Niagara Falls to Rawa Mazowiecka | 4,309.00 mi (6,934.67 km) |
| Niagara Falls to Rawicz | 4,195.39 mi (6,751.83 km) |
| Niagara Falls to Reda | 4,132.85 mi (6,651.18 km) |
| Niagara Falls to Rogozno | 4,157.08 mi (6,690.17 km) |
| Niagara Falls to Ropczyce | 4,427.06 mi (7,124.67 km) |
| Niagara Falls to Ruda Slaska | 4,319.70 mi (6,951.88 km) |
| Niagara Falls to Rumia | 4,136.42 mi (6,656.92 km) |
