| Castel Gandolfo to Borsbeek | 758.99 mi (1,221.47 km) |
| Castel Gandolfo to Boussu | 733.90 mi (1,181.11 km) |
| Castel Gandolfo to Braine-l'Alleud | 732.28 mi (1,178.49 km) |
| Castel Gandolfo to Braine-le-Chateau | 735.13 mi (1,183.07 km) |
| Castel Gandolfo to Braine-le-Comte | 733.97 mi (1,181.21 km) |
| Castel Gandolfo to Brasschaat | 764.20 mi (1,229.85 km) |
| Castel Gandolfo to Brecht | 764.09 mi (1,229.68 km) |
| Castel Gandolfo to Bredene | 799.47 mi (1,286.61 km) |
| Castel Gandolfo to Bree | 729.86 mi (1,174.60 km) |
| Castel Gandolfo to Bruges | 791.45 mi (1,273.72 km) |
| Castel Gandolfo to Brussels | 742.11 mi (1,194.30 km) |
| Castel Gandolfo to Buggenhout | 754.59 mi (1,214.39 km) |
| Castel Gandolfo to Chapelle-lez-Herlaimont | 722.65 mi (1,163.00 km) |
| Castel Gandolfo to Charleroi | 715.02 mi (1,150.71 km) |
| Castel Gandolfo to Chatelet | 712.84 mi (1,147.21 km) |
