| Gragnano to Bougival | 826.93 mi (1,330.82 km) |
| Gragnano to Bouguenais | 916.80 mi (1,475.45 km) |
| Gragnano to Boulogne-Billancourt | 822.04 mi (1,322.94 km) |
| Gragnano to Boulogne-sur-Mer | 928.85 mi (1,494.84 km) |
| Gragnano to Bourg-de-Peage | 564.92 mi (909.15 km) |
| Gragnano to Bourg-en-Bresse | 600.89 mi (967.03 km) |
| Gragnano to Bourg-la-Reine | 817.00 mi (1,314.84 km) |
| Gragnano to Bourg-les-Valence | 568.63 mi (915.12 km) |
| Gragnano to Bourges | 746.27 mi (1,201.01 km) |
| Gragnano to Bourgoin-Jallieu | 574.95 mi (925.29 km) |
| Gragnano to Bressuire | 858.56 mi (1,381.72 km) |
| Gragnano to Brest | 1,072.12 mi (1,725.42 km) |
| Gragnano to Bretigny-sur-Orge | 810.14 mi (1,303.79 km) |
| Gragnano to Breuillet | 813.10 mi (1,308.55 km) |
| Gragnano to Briancon | 493.43 mi (794.09 km) |
