| Karatepe to Oerlinghausen | 1,270.38 mi (2,044.48 km) |
| Karatepe to Oestrich-Winkel | 1,236.85 mi (1,990.51 km) |
| Karatepe to Offenburg | 1,202.63 mi (1,935.44 km) |
| Karatepe to Oftersheim | 1,196.17 mi (1,925.04 km) |
| Karatepe to Ohrdruf | 1,154.13 mi (1,857.40 km) |
| Karatepe to Ohringen | 1,153.53 mi (1,856.42 km) |
| Karatepe to Olbernhau | 1,051.80 mi (1,692.71 km) |
| Karatepe to Olching | 1,050.48 mi (1,690.58 km) |
| Karatepe to Oldenburg | 1,327.90 mi (2,137.05 km) |
| Karatepe to Oldenburg in Holstein | 1,284.78 mi (2,067.66 km) |
| Karatepe to Olfen | 1,310.76 mi (2,109.46 km) |
| Karatepe to Olpe | 1,272.16 mi (2,047.35 km) |
| Karatepe to Olsberg | 1,257.13 mi (2,023.16 km) |
| Karatepe to Oranienburg | 1,142.28 mi (1,838.32 km) |
| Karatepe to Ortenberg | 1,204.26 mi (1,938.07 km) |
