| Guastalla to Bougival | 485.90 mi (781.98 km) |
| Guastalla to Bouguenais | 608.91 mi (979.94 km) |
| Guastalla to Boulogne-Billancourt | 480.88 mi (773.90 km) |
| Guastalla to Boulogne-sur-Mer | 580.15 mi (933.67 km) |
| Guastalla to Bourg-de-Peage | 274.59 mi (441.91 km) |
| Guastalla to Bourg-en-Bresse | 277.65 mi (446.84 km) |
| Guastalla to Bourg-la-Reine | 476.01 mi (766.06 km) |
| Guastalla to Bourg-les-Valence | 282.25 mi (454.24 km) |
| Guastalla to Bourges | 424.00 mi (682.35 km) |
| Guastalla to Bourgoin-Jallieu | 266.32 mi (428.60 km) |
| Guastalla to Bressuire | 552.27 mi (888.79 km) |
| Guastalla to Brest | 756.32 mi (1,217.18 km) |
| Guastalla to Bretigny-sur-Orge | 470.50 mi (757.19 km) |
| Guastalla to Breuillet | 474.32 mi (763.35 km) |
| Guastalla to Briancon | 197.28 mi (317.49 km) |
