| Castel San Giorgio to Reinosa | 978.80 mi (1,575.22 km) |
| Castel San Giorgio to Requena | 838.35 mi (1,349.20 km) |
| Castel San Giorgio to Reus | 708.80 mi (1,140.70 km) |
| Castel San Giorgio to Rianxo | 1,215.74 mi (1,956.54 km) |
| Castel San Giorgio to Ribadeo | 1,126.25 mi (1,812.52 km) |
| Castel San Giorgio to Rincon de la Victoria | 1,058.41 mi (1,703.35 km) |
| Castel San Giorgio to Ripoll | 654.18 mi (1,052.81 km) |
| Castel San Giorgio to Ripollet | 653.93 mi (1,052.40 km) |
| Castel San Giorgio to Rojales | 842.64 mi (1,356.10 km) |
| Castel San Giorgio to Ronda | 1,103.48 mi (1,775.88 km) |
| Castel San Giorgio to Roquetas de Mar | 971.27 mi (1,563.11 km) |
| Castel San Giorgio to Rosas | 604.39 mi (972.68 km) |
| Castel San Giorgio to Rubi | 660.39 mi (1,062.80 km) |
| Castel San Giorgio to Rute | 1,048.45 mi (1,687.32 km) |
| Castel San Giorgio to Sabadell | 656.53 mi (1,056.58 km) |
