| Unna to Bougival | 306.89 mi (493.89 km) |
| Unna to Bouguenais | 515.31 mi (829.31 km) |
| Unna to Boulogne-Billancourt | 304.63 mi (490.25 km) |
| Unna to Boulogne-sur-Mer | 269.14 mi (433.15 km) |
| Unna to Bourg-de-Peage | 464.92 mi (748.21 km) |
| Unna to Bourg-en-Bresse | 384.75 mi (619.19 km) |
| Unna to Bourg-la-Reine | 304.54 mi (490.10 km) |
| Unna to Bourg-les-Valence | 472.84 mi (760.97 km) |
| Unna to Bourges | 388.87 mi (625.82 km) |
| Unna to Bourgoin-Jallieu | 425.53 mi (684.82 km) |
| Unna to Bressuire | 490.99 mi (790.17 km) |
| Unna to Brest | 582.41 mi (937.30 km) |
| Unna to Bretigny-sur-Orge | 312.55 mi (503.00 km) |
| Unna to Breuillet | 319.21 mi (513.71 km) |
| Unna to Briancon | 461.25 mi (742.31 km) |
