| Kumla to Devnya | 1,218.95 mi (1,961.71 km) |
| Kumla to Dimitrovgrad | 1,261.93 mi (2,030.88 km) |
| Kumla to Dobrich | 1,201.46 mi (1,933.57 km) |
| Kumla to Dospat | 1,268.07 mi (2,040.76 km) |
| Kumla to Dupnitsa | 1,213.62 mi (1,953.14 km) |
| Kumla to Elhovo | 1,269.64 mi (2,043.28 km) |
| Kumla to Etropole | 1,186.93 mi (1,910.18 km) |
| Kumla to Gabrovo | 1,204.03 mi (1,937.69 km) |
| Kumla to Gorna Oryahovitsa | 1,192.27 mi (1,918.77 km) |
| Kumla to Gotse Delchev | 1,268.05 mi (2,040.73 km) |
| Kumla to Harmanli | 1,274.25 mi (2,050.71 km) |
| Kumla to Haskovo | 1,269.13 mi (2,042.46 km) |
| Kumla to Ihtiman | 1,210.88 mi (1,948.72 km) |
| Kumla to Isperih | 1,173.47 mi (1,888.51 km) |
| Kumla to Kardzhali | 1,284.86 mi (2,067.79 km) |
