| Castricum to Rende | 1,064.81 mi (1,713.65 km) |
| Castricum to Resana | 579.86 mi (933.20 km) |
| Castricum to Rescaldina | 516.54 mi (831.29 km) |
| Castricum to Rezzato | 548.95 mi (883.46 km) |
| Castricum to Rho | 523.35 mi (842.25 km) |
| Castricum to Ribera | 1,119.58 mi (1,801.79 km) |
| Castricum to Riccione Marina | 694.58 mi (1,117.82 km) |
| Castricum to Riesi | 1,148.77 mi (1,848.76 km) |
| Castricum to Rieti | 797.36 mi (1,283.23 km) |
| Castricum to Rignano Flaminio | 802.11 mi (1,290.88 km) |
| Castricum to Rignano sull'Arno | 684.67 mi (1,101.87 km) |
| Castricum to Rimini | 689.02 mi (1,108.88 km) |
| Castricum to Rionero in Vulture | 955.45 mi (1,537.65 km) |
| Castricum to Riposto | 1,142.47 mi (1,838.63 km) |
| Castricum to Riva del Garda | 538.11 mi (866.01 km) |
