| Rennes to Barcellona-Pozzo di Gotto | 1,091.20 mi (1,756.11 km) |
| Rennes to Bareggio | 536.01 mi (862.63 km) |
| Rennes to Barga | 645.11 mi (1,038.21 km) |
| Rennes to Bari | 1,028.33 mi (1,654.94 km) |
| Rennes to Barletta | 995.82 mi (1,602.62 km) |
| Rennes to Baronissi | 955.09 mi (1,537.06 km) |
| Rennes to Barrafranca | 1,091.81 mi (1,757.11 km) |
| Rennes to Bassano del Grappa | 652.30 mi (1,049.77 km) |
| Rennes to Battipaglia | 969.38 mi (1,560.07 km) |
| Rennes to Beinasco | 488.87 mi (786.77 km) |
| Rennes to Bellinzago Novarese | 517.26 mi (832.46 km) |
| Rennes to Belluno | 666.35 mi (1,072.38 km) |
| Rennes to Belmonte Mezzagno | 1,026.85 mi (1,652.56 km) |
| Rennes to Belpasso | 1,110.13 mi (1,786.58 km) |
| Rennes to Belvedere Marittimo | 1,049.06 mi (1,688.30 km) |
