| Crna na Koroskem to Oerlinghausen | 470.91 mi (757.85 km) |
| Crna na Koroskem to Oestrich-Winkel | 398.29 mi (640.98 km) |
| Crna na Koroskem to Offenburg | 351.08 mi (565.01 km) |
| Crna na Koroskem to Oftersheim | 352.39 mi (567.12 km) |
| Crna na Koroskem to Ohrdruf | 354.82 mi (571.03 km) |
| Crna na Koroskem to Ohringen | 311.54 mi (501.37 km) |
| Crna na Koroskem to Olbernhau | 298.13 mi (479.80 km) |
| Crna na Koroskem to Olching | 204.05 mi (328.39 km) |
| Crna na Koroskem to Oldenburg | 547.37 mi (880.91 km) |
| Crna na Koroskem to Oldenburg in Holstein | 568.30 mi (914.59 km) |
| Crna na Koroskem to Olfen | 495.01 mi (796.64 km) |
| Crna na Koroskem to Olpe | 447.82 mi (720.70 km) |
| Crna na Koroskem to Olsberg | 443.81 mi (714.24 km) |
| Crna na Koroskem to Oranienburg | 440.16 mi (708.36 km) |
| Crna na Koroskem to Ortenberg | 377.53 mi (607.58 km) |