| Ortakent to Oerlinghausen | 1,368.94 mi (2,203.10 km) |
| Ortakent to Oestrich-Winkel | 1,307.08 mi (2,103.54 km) |
| Ortakent to Offenburg | 1,250.82 mi (2,013.00 km) |
| Ortakent to Oftersheim | 1,260.57 mi (2,028.69 km) |
| Ortakent to Ohrdruf | 1,250.12 mi (2,011.88 km) |
| Ortakent to Ohringen | 1,220.24 mi (1,963.78 km) |
| Ortakent to Olbernhau | 1,162.64 mi (1,871.09 km) |
| Ortakent to Olching | 1,112.49 mi (1,790.38 km) |
| Ortakent to Oldenburg | 1,437.54 mi (2,313.49 km) |
| Ortakent to Oldenburg in Holstein | 1,420.17 mi (2,285.54 km) |
| Ortakent to Olfen | 1,399.97 mi (2,253.03 km) |
| Ortakent to Olpe | 1,354.89 mi (2,180.49 km) |
| Ortakent to Olsberg | 1,347.28 mi (2,168.23 km) |
| Ortakent to Oranienburg | 1,276.38 mi (2,054.14 km) |
| Ortakent to Ortenberg | 1,284.62 mi (2,067.40 km) |
