| Niagara Falls to Rende | 4,667.40 mi (7,511.45 km) |
| Niagara Falls to Resana | 4,237.38 mi (6,819.40 km) |
| Niagara Falls to Rescaldina | 4,116.33 mi (6,624.60 km) |
| Niagara Falls to Rezzato | 4,175.87 mi (6,720.42 km) |
| Niagara Falls to Rho | 4,122.81 mi (6,635.03 km) |
| Niagara Falls to Ribera | 4,620.18 mi (7,435.47 km) |
| Niagara Falls to Riccione Marina | 4,329.20 mi (6,967.17 km) |
| Niagara Falls to Riesi | 4,664.86 mi (7,507.37 km) |
| Niagara Falls to Rieti | 4,401.14 mi (7,082.95 km) |
| Niagara Falls to Rignano Flaminio | 4,393.79 mi (7,071.12 km) |
| Niagara Falls to Rignano sull'Arno | 4,290.78 mi (6,905.35 km) |
| Niagara Falls to Rimini | 4,323.53 mi (6,958.04 km) |
| Niagara Falls to Rionero in Vulture | 4,578.87 mi (7,368.98 km) |
| Niagara Falls to Riposto | 4,693.90 mi (7,554.10 km) |
| Niagara Falls to Riva del Garda | 4,183.59 mi (6,732.83 km) |
