| Castel Gandolfo to Beuvry | 770.20 mi (1,239.52 km) |
| Castel Gandolfo to Beziers | 492.43 mi (792.50 km) |
| Castel Gandolfo to Bezons | 707.91 mi (1,139.27 km) |
| Castel Gandolfo to Biarritz | 731.57 mi (1,177.35 km) |
| Castel Gandolfo to Biganos | 714.16 mi (1,149.33 km) |
| Castel Gandolfo to Billere | 672.39 mi (1,082.10 km) |
| Castel Gandolfo to Biot | 310.61 mi (499.89 km) |
| Castel Gandolfo to Biscarrosse | 719.93 mi (1,158.61 km) |
| Castel Gandolfo to Bischheim | 530.82 mi (854.28 km) |
| Castel Gandolfo to Bischwiller | 537.89 mi (865.65 km) |
| Castel Gandolfo to Blagnac | 586.11 mi (943.25 km) |
| Castel Gandolfo to Blain | 810.24 mi (1,303.96 km) |
| Castel Gandolfo to Blanquefort | 701.82 mi (1,129.47 km) |
| Castel Gandolfo to Blois | 686.47 mi (1,104.77 km) |
| Castel Gandolfo to Bobigny | 699.59 mi (1,125.88 km) |
