| Formia to Bougival | 766.13 mi (1,232.96 km) |
| Formia to Bouguenais | 855.87 mi (1,377.38 km) |
| Formia to Boulogne-Billancourt | 761.24 mi (1,225.10 km) |
| Formia to Boulogne-sur-Mer | 869.06 mi (1,398.61 km) |
| Formia to Bourg-de-Peage | 503.93 mi (811.00 km) |
| Formia to Bourg-en-Bresse | 539.66 mi (868.50 km) |
| Formia to Bourg-la-Reine | 756.20 mi (1,216.99 km) |
| Formia to Bourg-les-Valence | 507.75 mi (817.14 km) |
| Formia to Bourges | 685.00 mi (1,102.40 km) |
| Formia to Bourgoin-Jallieu | 513.70 mi (826.72 km) |
| Formia to Bressuire | 797.63 mi (1,283.65 km) |
| Formia to Brest | 1,011.04 mi (1,627.11 km) |
| Formia to Bretigny-sur-Orge | 749.25 mi (1,205.80 km) |
| Formia to Breuillet | 752.16 mi (1,210.48 km) |
| Formia to Briancon | 432.19 mi (695.54 km) |
