| Grottaferrata to Bougival | 706.48 mi (1,136.96 km) |
| Grottaferrata to Bouguenais | 795.23 mi (1,279.80 km) |
| Grottaferrata to Boulogne-Billancourt | 701.62 mi (1,129.14 km) |
| Grottaferrata to Boulogne-sur-Mer | 810.88 mi (1,304.99 km) |
| Grottaferrata to Bourg-de-Peage | 443.28 mi (713.39 km) |
| Grottaferrata to Bourg-en-Bresse | 479.22 mi (771.23 km) |
| Grottaferrata to Bourg-la-Reine | 696.56 mi (1,121.01 km) |
| Grottaferrata to Bourg-les-Valence | 447.16 mi (719.64 km) |
| Grottaferrata to Bourges | 624.36 mi (1,004.81 km) |
| Grottaferrata to Bourgoin-Jallieu | 452.99 mi (729.02 km) |
| Grottaferrata to Bressuire | 736.99 mi (1,186.08 km) |
| Grottaferrata to Brest | 950.33 mi (1,529.41 km) |
| Grottaferrata to Bretigny-sur-Orge | 689.47 mi (1,109.59 km) |
| Grottaferrata to Breuillet | 692.28 mi (1,114.12 km) |
| Grottaferrata to Briancon | 371.47 mi (597.83 km) |
