| Porto Tolle to Bougival | 550.67 mi (886.21 km) |
| Porto Tolle to Bouguenais | 684.69 mi (1,101.91 km) |
| Porto Tolle to Boulogne-Billancourt | 545.61 mi (878.08 km) |
| Porto Tolle to Boulogne-sur-Mer | 635.82 mi (1,023.25 km) |
| Porto Tolle to Bourg-de-Peage | 354.99 mi (571.31 km) |
| Porto Tolle to Bourg-en-Bresse | 353.45 mi (568.82 km) |
| Porto Tolle to Bourg-la-Reine | 540.91 mi (870.51 km) |
| Porto Tolle to Bourg-les-Valence | 362.78 mi (583.84 km) |
| Porto Tolle to Bourges | 497.91 mi (801.30 km) |
| Porto Tolle to Bourgoin-Jallieu | 345.18 mi (555.51 km) |
| Porto Tolle to Bressuire | 628.70 mi (1,011.80 km) |
| Porto Tolle to Brest | 829.57 mi (1,335.07 km) |
| Porto Tolle to Bretigny-sur-Orge | 536.39 mi (863.23 km) |
| Porto Tolle to Breuillet | 540.72 mi (870.21 km) |
| Porto Tolle to Briancon | 277.93 mi (447.28 km) |
