| Civitavecchia to Bougival | 660.44 mi (1,062.88 km) |
| Civitavecchia to Bouguenais | 745.90 mi (1,200.41 km) |
| Civitavecchia to Boulogne-Billancourt | 655.62 mi (1,055.12 km) |
| Civitavecchia to Boulogne-sur-Mer | 767.08 mi (1,234.50 km) |
| Civitavecchia to Bourg-de-Peage | 393.99 mi (634.07 km) |
| Civitavecchia to Bourg-en-Bresse | 431.69 mi (694.73 km) |
| Civitavecchia to Bourg-la-Reine | 650.55 mi (1,046.95 km) |
| Civitavecchia to Bourg-les-Valence | 397.75 mi (640.12 km) |
| Civitavecchia to Bourges | 576.12 mi (927.18 km) |
| Civitavecchia to Bourgoin-Jallieu | 404.49 mi (650.96 km) |
| Civitavecchia to Bressuire | 687.66 mi (1,106.68 km) |
| Civitavecchia to Brest | 901.21 mi (1,450.35 km) |
| Civitavecchia to Bretigny-sur-Orge | 643.20 mi (1,035.13 km) |
| Civitavecchia to Breuillet | 645.84 mi (1,039.38 km) |
| Civitavecchia to Briancon | 322.89 mi (519.64 km) |
