| Crna Trava to Oerlinghausen | 895.50 mi (1,441.18 km) |
| Crna Trava to Oestrich-Winkel | 840.84 mi (1,353.19 km) |
| Crna Trava to Offenburg | 794.65 mi (1,278.86 km) |
| Crna Trava to Oftersheim | 796.40 mi (1,281.68 km) |
| Crna Trava to Ohrdruf | 776.70 mi (1,249.98 km) |
| Crna Trava to Ohringen | 754.82 mi (1,214.77 km) |
| Crna Trava to Olbernhau | 688.09 mi (1,107.38 km) |
| Crna Trava to Olching | 648.23 mi (1,043.23 km) |
| Crna Trava to Oldenburg | 963.13 mi (1,550.01 km) |
| Crna Trava to Oldenburg in Holstein | 947.55 mi (1,524.94 km) |
| Crna Trava to Olfen | 928.38 mi (1,494.08 km) |
| Crna Trava to Olpe | 884.76 mi (1,423.89 km) |
| Crna Trava to Olsberg | 875.28 mi (1,408.63 km) |
| Crna Trava to Oranienburg | 804.26 mi (1,294.33 km) |
| Crna Trava to Ortenberg | 814.82 mi (1,311.33 km) |
