| Castricum to Racale | 1,076.86 mi (1,733.04 km) |
| Castricum to Racconigi | 554.99 mi (893.17 km) |
| Castricum to Raffadali | 1,130.61 mi (1,819.55 km) |
| Castricum to Ragusa | 1,184.55 mi (1,906.35 km) |
| Castricum to Ramacca | 1,154.45 mi (1,857.91 km) |
| Castricum to Randazzo | 1,127.62 mi (1,814.73 km) |
| Castricum to Rapallo | 603.67 mi (971.52 km) |
| Castricum to Ravanusa | 1,147.61 mi (1,846.91 km) |
| Castricum to Ravenna | 658.68 mi (1,060.05 km) |
| Castricum to Recanati | 752.76 mi (1,211.45 km) |
| Castricum to Recco | 601.27 mi (967.66 km) |
| Castricum to Reggello | 688.93 mi (1,108.73 km) |
| Castricum to Reggio di Calabria | 1,128.20 mi (1,815.65 km) |
| Castricum to Reggio Emilia | 606.49 mi (976.05 km) |
| Castricum to Reggiolo | 596.74 mi (960.36 km) |
