| Portet-sur-Garonne to Bougival | 370.83 mi (596.79 km) |
| Portet-sur-Garonne to Bouguenais | 292.19 mi (470.23 km) |
| Portet-sur-Garonne to Boulogne-Billancourt | 369.27 mi (594.29 km) |
| Portet-sur-Garonne to Boulogne-sur-Mer | 497.88 mi (801.26 km) |
| Portet-sur-Garonne to Bourg-de-Peage | 208.44 mi (335.45 km) |
| Portet-sur-Garonne to Bourg-en-Bresse | 263.44 mi (423.96 km) |
| Portet-sur-Garonne to Bourg-la-Reine | 365.86 mi (588.80 km) |
| Portet-sur-Garonne to Bourg-les-Valence | 198.82 mi (319.96 km) |
| Portet-sur-Garonne to Bourges | 250.80 mi (403.62 km) |
| Portet-sur-Garonne to Bourgoin-Jallieu | 237.86 mi (382.80 km) |
| Portet-sur-Garonne to Bressuire | 247.11 mi (397.69 km) |
| Portet-sur-Garonne to Brest | 439.44 mi (707.21 km) |
| Portet-sur-Garonne to Bretigny-sur-Orge | 354.28 mi (570.16 km) |
| Portet-sur-Garonne to Breuillet | 350.44 mi (563.98 km) |
| Portet-sur-Garonne to Briancon | 275.75 mi (443.78 km) |
