| Castricum to Rosolini | 1,195.92 mi (1,924.65 km) |
| Castricum to Rossano | 1,061.74 mi (1,708.71 km) |
| Castricum to Rottofreno | 563.00 mi (906.06 km) |
| Castricum to Rovato | 539.15 mi (867.67 km) |
| Castricum to Roverbella | 573.95 mi (923.69 km) |
| Castricum to Rovereto | 542.82 mi (873.58 km) |
| Castricum to Rovigo | 608.82 mi (979.80 km) |
| Castricum to Rozzano | 535.04 mi (861.07 km) |
| Castricum to Rubano | 587.49 mi (945.47 km) |
| Castricum to Rubiera | 612.70 mi (986.05 km) |
| Castricum to Ruffano | 1,080.08 mi (1,738.22 km) |
| Castricum to Russi | 657.13 mi (1,057.56 km) |
| Castricum to Rutigliano | 986.92 mi (1,588.29 km) |
| Castricum to Ruvo di Puglia | 964.81 mi (1,552.71 km) |
| Castricum to Sabaudia | 870.29 mi (1,400.59 km) |
