| Trecastagni to Bougival | 1,011.25 mi (1,627.45 km) |
| Trecastagni to Bouguenais | 1,074.53 mi (1,729.29 km) |
| Trecastagni to Boulogne-Billancourt | 1,006.55 mi (1,619.89 km) |
| Trecastagni to Boulogne-sur-Mer | 1,121.39 mi (1,804.70 km) |
| Trecastagni to Bourg-de-Peage | 729.63 mi (1,174.22 km) |
| Trecastagni to Bourg-en-Bresse | 779.09 mi (1,253.82 km) |
| Trecastagni to Bourg-la-Reine | 1,001.44 mi (1,611.67 km) |
| Trecastagni to Bourg-les-Valence | 731.29 mi (1,176.89 km) |
| Trecastagni to Bourges | 918.41 mi (1,478.04 km) |
| Trecastagni to Bourgoin-Jallieu | 747.27 mi (1,202.61 km) |
| Trecastagni to Bressuire | 1,017.00 mi (1,636.70 km) |
| Trecastagni to Brest | 1,231.81 mi (1,982.41 km) |
| Trecastagni to Bretigny-sur-Orge | 993.47 mi (1,598.83 km) |
| Trecastagni to Breuillet | 995.61 mi (1,602.28 km) |
| Trecastagni to Briancon | 666.71 mi (1,072.97 km) |
