| Portes-les-Valence to Bougival | 304.55 mi (490.12 km) |
| Portes-les-Valence to Bouguenais | 349.87 mi (563.06 km) |
| Portes-les-Valence to Boulogne-Billancourt | 300.69 mi (483.91 km) |
| Portes-les-Valence to Boulogne-sur-Mer | 431.70 mi (694.76 km) |
| Portes-les-Valence to Bourg-de-Peage | 14.19 mi (22.83 km) |
| Portes-les-Valence to Bourg-en-Bresse | 93.62 mi (150.67 km) |
| Portes-les-Valence to Bourg-la-Reine | 295.77 mi (476.00 km) |
| Portes-les-Valence to Bourg-les-Valence | 5.21 mi (8.38 km) |
| Portes-les-Valence to Bourges | 193.67 mi (311.69 km) |
| Portes-les-Valence to Bourgoin-Jallieu | 52.91 mi (85.14 km) |
| Portes-les-Valence to Bressuire | 291.65 mi (469.37 km) |
| Portes-les-Valence to Brest | 505.99 mi (814.30 km) |
| Portes-les-Valence to Bretigny-sur-Orge | 285.48 mi (459.43 km) |
| Portes-les-Valence to Breuillet | 285.47 mi (459.41 km) |
| Portes-les-Valence to Briancon | 86.10 mi (138.57 km) |
