| Ostwald to Bougival | 255.02 mi (410.41 km) |
| Ostwald to Bouguenais | 442.69 mi (712.45 km) |
| Ostwald to Boulogne-Billancourt | 250.31 mi (402.84 km) |
| Ostwald to Boulogne-sur-Mer | 311.41 mi (501.16 km) |
| Ostwald to Bourg-de-Peage | 273.45 mi (440.08 km) |
| Ostwald to Bourg-en-Bresse | 199.42 mi (320.93 km) |
| Ostwald to Bourg-la-Reine | 246.80 mi (397.19 km) |
| Ostwald to Bourg-les-Valence | 282.43 mi (454.53 km) |
| Ostwald to Bourges | 266.62 mi (429.09 km) |
| Ostwald to Bourgoin-Jallieu | 234.82 mi (377.90 km) |
| Ostwald to Bressuire | 399.11 mi (642.30 km) |
| Ostwald to Brest | 558.55 mi (898.91 km) |
| Ostwald to Bretigny-sur-Orge | 247.16 mi (397.77 km) |
| Ostwald to Breuillet | 253.39 mi (407.79 km) |
| Ostwald to Briancon | 257.66 mi (414.67 km) |
