| Karabuk to Oerlinghausen | 1,349.65 mi (2,172.05 km) |
| Karabuk to Oestrich-Winkel | 1,328.31 mi (2,137.71 km) |
| Karabuk to Offenburg | 1,302.69 mi (2,096.48 km) |
| Karabuk to Oftersheim | 1,290.42 mi (2,076.73 km) |
| Karabuk to Ohrdruf | 1,236.28 mi (1,989.60 km) |
| Karabuk to Ohringen | 1,247.53 mi (2,007.70 km) |
| Karabuk to Olbernhau | 1,129.19 mi (1,817.26 km) |
| Karabuk to Olching | 1,147.90 mi (1,847.36 km) |
| Karabuk to Oldenburg | 1,401.38 mi (2,255.30 km) |
| Karabuk to Oldenburg in Holstein | 1,346.24 mi (2,166.57 km) |
| Karabuk to Olfen | 1,393.53 mi (2,242.66 km) |
| Karabuk to Olpe | 1,358.15 mi (2,185.74 km) |
| Karabuk to Olsberg | 1,340.22 mi (2,156.88 km) |
| Karabuk to Oranienburg | 1,206.70 mi (1,941.99 km) |
| Karabuk to Ortenberg | 1,292.16 mi (2,079.53 km) |
