| Rio Grande City to Ruislip | 5,148.90 mi (8,286.36 km) |
| Rio Grande City to Runcorn | 5,013.33 mi (8,068.17 km) |
| Rio Grande City to Rushall | 5,061.81 mi (8,146.20 km) |
| Rio Grande City to Rushden | 5,123.11 mi (8,244.85 km) |
| Rio Grande City to Rustington | 5,166.87 mi (8,315.28 km) |
| Rio Grande City to Rutherglen | 4,898.78 mi (7,883.83 km) |
| Rio Grande City to Ryde | 5,142.72 mi (8,276.41 km) |
| Rio Grande City to Rye | 5,212.30 mi (8,388.39 km) |
| Rio Grande City to Ryhope | 5,026.59 mi (8,089.51 km) |
| Rio Grande City to Saffron Walden | 5,163.23 mi (8,309.42 km) |
| Rio Grande City to Saint Albans | 5,147.87 mi (8,284.69 km) |
| Rio Grande City to Saint Andrews | 4,938.46 mi (7,947.69 km) |
| Rio Grande City to Saint Austell | 5,004.43 mi (8,053.85 km) |
| Rio Grande City to Saint Budeaux | 5,027.82 mi (8,091.50 km) |
| Rio Grande City to Saint Helens | 5,010.03 mi (8,062.86 km) |
