| Ronciglione to Bistrita | 688.73 mi (1,108.41 km) |
| Ronciglione to Blaj | 637.58 mi (1,026.09 km) |
| Ronciglione to Bocsa | 518.65 mi (834.69 km) |
| Ronciglione to Boldesti-Scaeni | 715.05 mi (1,150.76 km) |
| Ronciglione to Bolintin Vale | 695.48 mi (1,119.27 km) |
| Ronciglione to Borsa | 711.26 mi (1,144.66 km) |
| Ronciglione to Botosani | 798.64 mi (1,285.29 km) |
| Ronciglione to Brad | 586.46 mi (943.82 km) |
| Ronciglione to Bragadiru | 705.47 mi (1,135.35 km) |
| Ronciglione to Braila | 810.42 mi (1,304.24 km) |
| Ronciglione to Brasov | 704.99 mi (1,134.56 km) |
| Ronciglione to Breaza | 699.56 mi (1,125.83 km) |
| Ronciglione to Bucharest | 712.31 mi (1,146.35 km) |
| Ronciglione to Buftea | 706.05 mi (1,136.28 km) |
| Ronciglione to Buhusi | 775.25 mi (1,247.64 km) |
