| Unterwellenborn to Montana | 745.87 mi (1,200.37 km) |
| Unterwellenborn to Nova Zagora | 890.28 mi (1,432.77 km) |
| Unterwellenborn to Novi Iskar | 781.08 mi (1,257.02 km) |
| Unterwellenborn to Novi Pazar | 895.04 mi (1,440.43 km) |
| Unterwellenborn to Omurtag | 876.47 mi (1,410.55 km) |
| Unterwellenborn to Panagyurishte | 824.88 mi (1,327.51 km) |
| Unterwellenborn to Parvomay | 881.05 mi (1,417.92 km) |
| Unterwellenborn to Pavlikeni | 829.04 mi (1,334.22 km) |
| Unterwellenborn to Pazardzhik | 845.38 mi (1,360.51 km) |
| Unterwellenborn to Pernik | 780.88 mi (1,256.71 km) |
| Unterwellenborn to Peshtera | 852.86 mi (1,372.55 km) |
| Unterwellenborn to Petrich | 851.28 mi (1,370.00 km) |
| Unterwellenborn to Pleven | 795.57 mi (1,280.34 km) |
| Unterwellenborn to Plovdiv | 862.27 mi (1,387.68 km) |
| Unterwellenborn to Pomorie | 946.28 mi (1,522.90 km) |
