| Waltrop to Devnya | 1,102.28 mi (1,773.94 km) |
| Waltrop to Dimitrovgrad | 1,080.48 mi (1,738.86 km) |
| Waltrop to Dobrich | 1,097.85 mi (1,766.81 km) |
| Waltrop to Dospat | 1,048.27 mi (1,687.03 km) |
| Waltrop to Dupnitsa | 980.41 mi (1,577.82 km) |
| Waltrop to Elhovo | 1,111.05 mi (1,788.06 km) |
| Waltrop to Etropole | 984.16 mi (1,583.85 km) |
| Waltrop to Gabrovo | 1,032.04 mi (1,660.91 km) |
| Waltrop to Gorna Oryahovitsa | 1,033.72 mi (1,663.62 km) |
| Waltrop to Gotse Delchev | 1,037.27 mi (1,669.32 km) |
| Waltrop to Harmanli | 1,097.17 mi (1,765.72 km) |
| Waltrop to Haskovo | 1,084.86 mi (1,745.91 km) |
| Waltrop to Ihtiman | 996.67 mi (1,603.98 km) |
| Waltrop to Isperih | 1,051.99 mi (1,693.02 km) |
| Waltrop to Kardzhali | 1,091.32 mi (1,756.32 km) |
