| Castricum to Rivalta di Torino | 535.17 mi (861.27 km) |
| Castricum to Rivarolo Canavese | 517.50 mi (832.84 km) |
| Castricum to Rivoli | 532.76 mi (857.39 km) |
| Castricum to Rocca di Papa | 834.34 mi (1,342.73 km) |
| Castricum to Rocca Priora | 834.34 mi (1,342.74 km) |
| Castricum to Roccapiemonte | 941.12 mi (1,514.58 km) |
| Castricum to Roccastrada | 724.29 mi (1,165.63 km) |
| Castricum to Romano di Lombardia | 537.42 mi (864.90 km) |
| Castricum to Rome | 821.48 mi (1,322.04 km) |
| Castricum to Roncade | 591.46 mi (951.87 km) |
| Castricum to Ronchi dei Legionari | 611.04 mi (983.37 km) |
| Castricum to Ronciglione | 790.88 mi (1,272.80 km) |
| Castricum to Rosa | 570.31 mi (917.82 km) |
| Castricum to Rosarno | 1,112.50 mi (1,790.39 km) |
| Castricum to Rosignano Marittimo | 686.22 mi (1,104.37 km) |
