| Olsberg to Devnya | 1,051.56 mi (1,692.32 km) |
| Olsberg to Dimitrovgrad | 1,030.45 mi (1,658.35 km) |
| Olsberg to Dobrich | 1,047.08 mi (1,685.10 km) |
| Olsberg to Dospat | 998.98 mi (1,607.71 km) |
| Olsberg to Dupnitsa | 931.25 mi (1,498.71 km) |
| Olsberg to Elhovo | 1,060.73 mi (1,707.07 km) |
| Olsberg to Etropole | 934.29 mi (1,503.60 km) |
| Olsberg to Gabrovo | 981.77 mi (1,580.00 km) |
| Olsberg to Gorna Oryahovitsa | 983.28 mi (1,582.43 km) |
| Olsberg to Gotse Delchev | 988.24 mi (1,590.41 km) |
| Olsberg to Harmanli | 1,047.10 mi (1,685.14 km) |
| Olsberg to Haskovo | 1,034.89 mi (1,665.50 km) |
| Olsberg to Ihtiman | 947.09 mi (1,524.19 km) |
| Olsberg to Isperih | 1,001.27 mi (1,611.38 km) |
| Olsberg to Kardzhali | 1,041.55 mi (1,676.21 km) |
