| Castel Gandolfo to Boppard | 634.20 mi (1,020.65 km) |
| Castel Gandolfo to Borgentreich | 697.20 mi (1,122.03 km) |
| Castel Gandolfo to Borgholzhausen | 743.87 mi (1,197.15 km) |
| Castel Gandolfo to Borken | 748.12 mi (1,203.99 km) |
| Castel Gandolfo to Borna | 647.43 mi (1,041.94 km) |
| Castel Gandolfo to Bornheim | 678.13 mi (1,091.34 km) |
| Castel Gandolfo to Bosel | 807.92 mi (1,300.23 km) |
| Castel Gandolfo to Bottrop | 727.65 mi (1,171.03 km) |
| Castel Gandolfo to Bovenden | 692.15 mi (1,113.90 km) |
| Castel Gandolfo to Brackenheim | 535.73 mi (862.17 km) |
| Castel Gandolfo to Brake | 823.45 mi (1,325.22 km) |
| Castel Gandolfo to Brakel | 707.95 mi (1,139.33 km) |
| Castel Gandolfo to Bramsche | 767.73 mi (1,235.54 km) |
| Castel Gandolfo to Brand | 694.28 mi (1,117.34 km) |
| Castel Gandolfo to Brand-Erbisdorf | 631.07 mi (1,015.61 km) |
