| Boulogne-sur-Mer to Avigliana | 473.05 mi (761.31 km) |
| Boulogne-sur-Mer to Avigliano | 966.14 mi (1,554.85 km) |
| Boulogne-sur-Mer to Avola | 1,164.16 mi (1,873.53 km) |
| Boulogne-sur-Mer to Azzano Decimo | 609.19 mi (980.40 km) |
| Boulogne-sur-Mer to Bacoli | 909.44 mi (1,463.61 km) |
| Boulogne-sur-Mer to Badia Polesine | 599.68 mi (965.10 km) |
| Boulogne-sur-Mer to Bagheria | 1,049.40 mi (1,688.85 km) |
| Boulogne-sur-Mer to Bagnacavallo | 649.80 mi (1,045.75 km) |
| Boulogne-sur-Mer to Bagnara Calabra | 1,104.60 mi (1,777.68 km) |
| Boulogne-sur-Mer to Bagno a Ripoli | 661.87 mi (1,065.17 km) |
| Boulogne-sur-Mer to Bagnolo in Piano | 588.32 mi (946.81 km) |
| Boulogne-sur-Mer to Bagnolo Mella | 538.06 mi (865.93 km) |
| Boulogne-sur-Mer to Barano d'Ischia | 908.86 mi (1,462.68 km) |
| Boulogne-sur-Mer to Baranzate | 498.28 mi (801.90 km) |
| Boulogne-sur-Mer to Barberino di Mugello | 646.12 mi (1,039.82 km) |
