| Gengenbach to Bougival | 270.22 mi (434.88 km) |
| Gengenbach to Bouguenais | 454.99 mi (732.24 km) |
| Gengenbach to Boulogne-Billancourt | 265.46 mi (427.22 km) |
| Gengenbach to Boulogne-sur-Mer | 328.70 mi (528.99 km) |
| Gengenbach to Bourg-de-Peage | 271.45 mi (436.86 km) |
| Gengenbach to Bourg-en-Bresse | 200.10 mi (322.02 km) |
| Gengenbach to Bourg-la-Reine | 261.83 mi (421.37 km) |
| Gengenbach to Bourg-les-Valence | 280.66 mi (451.68 km) |
| Gengenbach to Bourges | 276.43 mi (444.86 km) |
| Gengenbach to Bourgoin-Jallieu | 233.44 mi (375.69 km) |
| Gengenbach to Bressuire | 410.27 mi (660.26 km) |
| Gengenbach to Brest | 573.14 mi (922.37 km) |
| Gengenbach to Bretigny-sur-Orge | 261.77 mi (421.28 km) |
| Gengenbach to Breuillet | 267.88 mi (431.12 km) |
| Gengenbach to Briancon | 250.82 mi (403.65 km) |
