| Nieder-Olm to Devnya | 1,025.45 mi (1,650.30 km) |
| Nieder-Olm to Dimitrovgrad | 992.55 mi (1,597.36 km) |
| Nieder-Olm to Dobrich | 1,023.57 mi (1,647.27 km) |
| Nieder-Olm to Dospat | 954.51 mi (1,536.14 km) |
| Nieder-Olm to Dupnitsa | 886.05 mi (1,425.96 km) |
| Nieder-Olm to Elhovo | 1,026.39 mi (1,651.82 km) |
| Nieder-Olm to Etropole | 895.07 mi (1,440.47 km) |
| Nieder-Olm to Gabrovo | 947.12 mi (1,524.24 km) |
| Nieder-Olm to Gorna Oryahovitsa | 951.20 mi (1,530.81 km) |
| Nieder-Olm to Gotse Delchev | 941.91 mi (1,515.86 km) |
| Nieder-Olm to Harmanli | 1,009.60 mi (1,624.79 km) |
| Nieder-Olm to Haskovo | 996.34 mi (1,603.45 km) |
| Nieder-Olm to Ihtiman | 905.19 mi (1,456.76 km) |
| Nieder-Olm to Isperih | 975.78 mi (1,570.37 km) |
| Nieder-Olm to Kardzhali | 1,001.04 mi (1,611.01 km) |
