| Castel Bolognese to Rossano | 411.43 mi (662.13 km) |
| Castel Bolognese to Rottofreno | 121.86 mi (196.11 km) |
| Castel Bolognese to Rovato | 123.38 mi (198.56 km) |
| Castel Bolognese to Roverbella | 82.92 mi (133.44 km) |
| Castel Bolognese to Rovereto | 114.25 mi (183.87 km) |
| Castel Bolognese to Rovigo | 52.80 mi (84.98 km) |
| Castel Bolognese to Rozzano | 149.26 mi (240.21 km) |
| Castel Bolognese to Rubano | 77.15 mi (124.17 km) |
| Castel Bolognese to Rubiera | 55.16 mi (88.76 km) |
| Castel Bolognese to Ruffano | 445.62 mi (717.16 km) |
| Castel Bolognese to Russi | 12.25 mi (19.71 km) |
| Castel Bolognese to Rutigliano | 348.98 mi (561.62 km) |
| Castel Bolognese to Ruvo di Puglia | 324.56 mi (522.33 km) |
| Castel Bolognese to Sabaudia | 217.49 mi (350.02 km) |
| Castel Bolognese to Sacile | 119.00 mi (191.51 km) |
