| Akcakoca to Oerlinghausen | 1,296.88 mi (2,087.13 km) |
| Akcakoca to Oestrich-Winkel | 1,269.60 mi (2,043.23 km) |
| Akcakoca to Offenburg | 1,239.90 mi (1,995.43 km) |
| Akcakoca to Oftersheim | 1,230.35 mi (1,980.06 km) |
| Akcakoca to Ohrdruf | 1,181.97 mi (1,902.20 km) |
| Akcakoca to Ohringen | 1,187.54 mi (1,911.15 km) |
| Akcakoca to Olbernhau | 1,077.06 mi (1,733.37 km) |
| Akcakoca to Olching | 1,086.19 mi (1,748.05 km) |
| Akcakoca to Oldenburg | 1,351.53 mi (2,175.08 km) |
| Akcakoca to Oldenburg in Holstein | 1,302.38 mi (2,095.98 km) |
| Akcakoca to Olfen | 1,339.08 mi (2,155.05 km) |
| Akcakoca to Olpe | 1,302.11 mi (2,095.55 km) |
| Akcakoca to Olsberg | 1,285.57 mi (2,068.93 km) |
| Akcakoca to Oranienburg | 1,161.15 mi (1,868.68 km) |
| Akcakoca to Ortenberg | 1,235.13 mi (1,987.74 km) |
