| Ronciglione to Boppard | 591.23 mi (951.50 km) |
| Ronciglione to Borgentreich | 655.94 mi (1,055.63 km) |
| Ronciglione to Borgholzhausen | 702.05 mi (1,129.84 km) |
| Ronciglione to Borken | 705.35 mi (1,135.15 km) |
| Ronciglione to Borna | 610.06 mi (981.79 km) |
| Ronciglione to Bornheim | 635.06 mi (1,022.03 km) |
| Ronciglione to Bosel | 766.18 mi (1,233.04 km) |
| Ronciglione to Bottrop | 684.79 mi (1,102.07 km) |
| Ronciglione to Bovenden | 651.54 mi (1,048.55 km) |
| Ronciglione to Brackenheim | 493.28 mi (793.85 km) |
| Ronciglione to Brake | 782.18 mi (1,258.79 km) |
| Ronciglione to Brakel | 666.68 mi (1,072.93 km) |
| Ronciglione to Bramsche | 725.79 mi (1,168.05 km) |
| Ronciglione to Brand | 650.90 mi (1,047.52 km) |
| Ronciglione to Brand-Erbisdorf | 595.09 mi (957.71 km) |
