| Truro to Bougival | 336.19 mi (541.04 km) |
| Truro to Bouguenais | 264.14 mi (425.09 km) |
| Truro to Boulogne-Billancourt | 341.23 mi (549.15 km) |
| Truro to Boulogne-sur-Mer | 294.66 mi (474.20 km) |
| Truro to Bourg-de-Peage | 591.80 mi (952.41 km) |
| Truro to Bourg-en-Bresse | 549.12 mi (883.72 km) |
| Truro to Bourg-la-Reine | 345.70 mi (556.35 km) |
| Truro to Bourg-les-Valence | 590.28 mi (949.97 km) |
| Truro to Bourges | 404.19 mi (650.48 km) |
| Truro to Bourgoin-Jallieu | 576.09 mi (927.13 km) |
| Truro to Bressuire | 315.13 mi (507.15 km) |
| Truro to Brest | 131.65 mi (211.87 km) |
| Truro to Bretigny-sur-Orge | 349.45 mi (562.39 km) |
| Truro to Breuillet | 344.94 mi (555.13 km) |
| Truro to Briancon | 657.64 mi (1,058.36 km) |
