| Castel Bolognese to Rochefort | 631.28 mi (1,015.94 km) |
| Castel Bolognese to Rodez | 455.68 mi (733.34 km) |
| Castel Bolognese to Rognac | 331.85 mi (534.06 km) |
| Castel Bolognese to Roissy-en-Brie | 532.78 mi (857.43 km) |
| Castel Bolognese to Romainville | 544.56 mi (876.39 km) |
| Castel Bolognese to Romans-sur-Isere | 335.23 mi (539.51 km) |
| Castel Bolognese to Rombas | 434.50 mi (699.26 km) |
| Castel Bolognese to Romilly-sur-Seine | 481.30 mi (774.58 km) |
| Castel Bolognese to Ronchin | 594.52 mi (956.79 km) |
| Castel Bolognese to Roncq | 600.64 mi (966.64 km) |
| Castel Bolognese to Roquebrune-sur-Argens | 264.03 mi (424.91 km) |
| Castel Bolognese to Roquevaire | 315.85 mi (508.31 km) |
| Castel Bolognese to Rosny-sous-Bois | 542.07 mi (872.38 km) |
| Castel Bolognese to Roubaix | 595.65 mi (958.61 km) |
| Castel Bolognese to Rouen | 616.60 mi (992.32 km) |
