| Castricum to Reinosa | 774.84 mi (1,246.98 km) |
| Castricum to Requena | 943.35 mi (1,518.17 km) |
| Castricum to Reus | 804.82 mi (1,295.23 km) |
| Castricum to Rianxo | 925.74 mi (1,489.83 km) |
| Castricum to Ribadeo | 822.89 mi (1,324.32 km) |
| Castricum to Rincon de la Victoria | 1,177.02 mi (1,894.23 km) |
| Castricum to Ripoll | 724.25 mi (1,165.57 km) |
| Castricum to Ripollet | 772.66 mi (1,243.48 km) |
| Castricum to Rojales | 1,032.20 mi (1,661.17 km) |
| Castricum to Ronda | 1,192.11 mi (1,918.52 km) |
| Castricum to Roquetas de Mar | 1,146.47 mi (1,845.07 km) |
| Castricum to Rosas | 714.12 mi (1,149.26 km) |
| Castricum to Rubi | 773.82 mi (1,245.34 km) |
| Castricum to Rute | 1,139.40 mi (1,833.68 km) |
| Castricum to Sabadell | 769.50 mi (1,238.39 km) |
