| Rio Grande City to Redondela | 5,026.39 mi (8,089.19 km) |
| Rio Grande City to Reinosa | 5,219.94 mi (8,400.69 km) |
| Rio Grande City to Requena | 5,462.95 mi (8,791.77 km) |
| Rio Grande City to Reus | 5,517.63 mi (8,879.76 km) |
| Rio Grande City to Rianxo | 5,008.09 mi (8,059.73 km) |
| Rio Grande City to Ribadeo | 5,070.73 mi (8,160.56 km) |
| Rio Grande City to Rincon de la Victoria | 5,385.56 mi (8,667.23 km) |
| Rio Grande City to Ripoll | 5,535.25 mi (8,908.12 km) |
| Rio Grande City to Ripollet | 5,555.70 mi (8,941.04 km) |
| Rio Grande City to Rojales | 5,522.92 mi (8,888.28 km) |
| Rio Grande City to Ronda | 5,340.34 mi (8,594.45 km) |
| Rio Grande City to Roquetas de Mar | 5,468.28 mi (8,800.35 km) |
| Rio Grande City to Rosas | 5,578.14 mi (8,977.15 km) |
| Rio Grande City to Rubi | 5,550.05 mi (8,931.94 km) |
| Rio Grande City to Rute | 5,364.52 mi (8,633.36 km) |
