| South Houston to Rende | 5,947.83 mi (9,572.11 km) |
| South Houston to Resana | 5,524.80 mi (8,891.31 km) |
| South Houston to Rescaldina | 5,401.89 mi (8,693.51 km) |
| South Houston to Rezzato | 5,462.19 mi (8,790.54 km) |
| South Houston to Rho | 5,408.30 mi (8,703.81 km) |
| South Houston to Ribera | 5,891.13 mi (9,480.85 km) |
| South Houston to Riccione Marina | 5,614.87 mi (9,036.26 km) |
| South Houston to Riesi | 5,936.61 mi (9,554.06 km) |
| South Houston to Rieti | 5,684.20 mi (9,147.84 km) |
| South Houston to Rignano Flaminio | 5,676.05 mi (9,134.73 km) |
| South Houston to Rignano sull'Arno | 5,575.03 mi (8,972.14 km) |
| South Houston to Rimini | 5,609.22 mi (9,027.17 km) |
| South Houston to Rionero in Vulture | 5,861.94 mi (9,433.89 km) |
| South Houston to Riposto | 5,968.91 mi (9,606.03 km) |
| South Houston to Riva del Garda | 5,470.72 mi (8,804.27 km) |
