| Unterwellenborn to Blace | 687.66 mi (1,106.69 km) |
| Unterwellenborn to Bogatic | 548.54 mi (882.78 km) |
| Unterwellenborn to Bojnik | 716.24 mi (1,152.68 km) |
| Unterwellenborn to Boljevac | 681.42 mi (1,096.64 km) |
| Unterwellenborn to Bor | 671.21 mi (1,080.21 km) |
| Unterwellenborn to Borca | 578.02 mi (930.23 km) |
| Unterwellenborn to Bosilegrad | 767.92 mi (1,235.84 km) |
| Unterwellenborn to Brus | 674.76 mi (1,085.92 km) |
| Unterwellenborn to Bujanovac | 747.54 mi (1,203.05 km) |
| Unterwellenborn to Cacak | 626.01 mi (1,007.47 km) |
| Unterwellenborn to Cajetina | 614.62 mi (989.14 km) |
| Unterwellenborn to Cicevac | 670.36 mi (1,078.83 km) |
| Unterwellenborn to Coka | 515.96 mi (830.35 km) |
| Unterwellenborn to Crna Trava | 745.77 mi (1,200.20 km) |
| Unterwellenborn to Crvenka | 505.22 mi (813.08 km) |
