| Desborough to Bougival | 278.84 mi (448.74 km) |
| Desborough to Bouguenais | 365.35 mi (587.97 km) |
| Desborough to Boulogne-Billancourt | 282.76 mi (455.05 km) |
| Desborough to Boulogne-sur-Mer | 157.83 mi (254.00 km) |
| Desborough to Bourg-de-Peage | 576.64 mi (928.01 km) |
| Desborough to Bourg-en-Bresse | 509.18 mi (819.45 km) |
| Desborough to Bourg-la-Reine | 287.72 mi (463.03 km) |
| Desborough to Bourg-les-Valence | 579.10 mi (931.97 km) |
| Desborough to Bourges | 396.75 mi (638.50 km) |
| Desborough to Bourgoin-Jallieu | 547.67 mi (881.38 km) |
| Desborough to Bressuire | 387.19 mi (623.12 km) |
| Desborough to Brest | 323.08 mi (519.95 km) |
| Desborough to Bretigny-sur-Orge | 297.90 mi (479.43 km) |
| Desborough to Breuillet | 298.07 mi (479.70 km) |
| Desborough to Briancon | 621.62 mi (1,000.41 km) |
