| Challans to Bougival | 232.62 mi (374.37 km) |
| Challans to Bouguenais | 25.86 mi (41.61 km) |
| Challans to Boulogne-Billancourt | 235.24 mi (378.58 km) |
| Challans to Boulogne-sur-Mer | 311.59 mi (501.45 km) |
| Challans to Bourg-de-Peage | 355.41 mi (571.97 km) |
| Challans to Bourg-en-Bresse | 340.62 mi (548.18 km) |
| Challans to Bourg-la-Reine | 235.93 mi (379.70 km) |
| Challans to Bourg-les-Valence | 350.99 mi (564.87 km) |
| Challans to Bourges | 202.19 mi (325.40 km) |
| Challans to Bourgoin-Jallieu | 352.69 mi (567.60 km) |
| Challans to Bressuire | 65.67 mi (105.68 km) |
| Challans to Brest | 161.75 mi (260.31 km) |
| Challans to Bretigny-sur-Orge | 229.47 mi (369.29 km) |
| Challans to Breuillet | 222.58 mi (358.21 km) |
| Challans to Briancon | 430.90 mi (693.46 km) |
