| Castel Gandolfo to Bingen am Rhein | 611.92 mi (984.79 km) |
| Castel Gandolfo to Birkenau | 572.32 mi (921.05 km) |
| Castel Gandolfo to Birkenfeld | 529.22 mi (851.69 km) |
| Castel Gandolfo to Bischofsheim | 605.57 mi (974.57 km) |
| Castel Gandolfo to Bischofswerda | 652.17 mi (1,049.56 km) |
| Castel Gandolfo to Bisingen | 488.72 mi (786.52 km) |
| Castel Gandolfo to Bissendorf | 754.37 mi (1,214.04 km) |
| Castel Gandolfo to Bitburg | 639.20 mi (1,028.69 km) |
| Castel Gandolfo to Bitterfeld | 682.12 mi (1,097.77 km) |
| Castel Gandolfo to Blankenburg | 698.81 mi (1,124.63 km) |
| Castel Gandolfo to Blankenfelde | 733.44 mi (1,180.36 km) |
| Castel Gandolfo to Blaubeuren | 481.19 mi (774.39 km) |
| Castel Gandolfo to Bleicherode | 675.34 mi (1,086.86 km) |
| Castel Gandolfo to Blieskastel | 579.30 mi (932.30 km) |
| Castel Gandolfo to Blomberg | 723.51 mi (1,164.37 km) |
