| Karlsruhe to Bougival | 284.42 mi (457.73 km) |
| Karlsruhe to Bouguenais | 479.25 mi (771.28 km) |
| Karlsruhe to Boulogne-Billancourt | 279.99 mi (450.59 km) |
| Karlsruhe to Boulogne-sur-Mer | 324.65 mi (522.48 km) |
| Karlsruhe to Bourg-de-Peage | 316.55 mi (509.43 km) |
| Karlsruhe to Bourg-en-Bresse | 243.67 mi (392.15 km) |
| Karlsruhe to Bourg-la-Reine | 276.97 mi (445.74 km) |
| Karlsruhe to Bourg-les-Valence | 325.67 mi (524.11 km) |
| Karlsruhe to Bourges | 307.60 mi (495.03 km) |
| Karlsruhe to Bourgoin-Jallieu | 278.25 mi (447.80 km) |
| Karlsruhe to Bressuire | 437.84 mi (704.63 km) |
| Karlsruhe to Brest | 588.83 mi (947.64 km) |
| Karlsruhe to Bretigny-sur-Orge | 278.76 mi (448.61 km) |
| Karlsruhe to Breuillet | 285.29 mi (459.12 km) |
| Karlsruhe to Briancon | 296.18 mi (476.65 km) |
