| Sulphur to Redondela | 4,600.86 mi (7,404.37 km) |
| Sulphur to Reinosa | 4,794.49 mi (7,715.98 km) |
| Sulphur to Requena | 5,037.47 mi (8,107.02 km) |
| Sulphur to Reus | 5,092.16 mi (8,195.04 km) |
| Sulphur to Rianxo | 4,582.54 mi (7,374.88 km) |
| Sulphur to Ribadeo | 4,645.23 mi (7,475.78 km) |
| Sulphur to Rincon de la Victoria | 4,961.48 mi (7,984.74 km) |
| Sulphur to Ripoll | 5,110.10 mi (8,223.92 km) |
| Sulphur to Ripollet | 5,130.37 mi (8,256.54 km) |
| Sulphur to Rojales | 5,097.69 mi (8,203.94 km) |
| Sulphur to Ronda | 4,916.44 mi (7,912.24 km) |
| Sulphur to Roquetas de Mar | 5,043.84 mi (8,117.28 km) |
| Sulphur to Rosas | 5,153.14 mi (8,293.17 km) |
| Sulphur to Rubi | 5,124.71 mi (8,247.42 km) |
| Sulphur to Rute | 4,940.12 mi (7,950.36 km) |
