| Mogadouro to Oerlinghausen | 1,031.38 mi (1,659.85 km) |
| Mogadouro to Oestrich-Winkel | 926.34 mi (1,490.79 km) |
| Mogadouro to Offenburg | 867.73 mi (1,396.48 km) |
| Mogadouro to Oftersheim | 924.68 mi (1,488.12 km) |
| Mogadouro to Ohrdruf | 1,058.37 mi (1,703.29 km) |
| Mogadouro to Ohringen | 954.59 mi (1,536.27 km) |
| Mogadouro to Olbernhau | 1,152.56 mi (1,854.86 km) |
| Mogadouro to Olching | 1,000.37 mi (1,609.94 km) |
| Mogadouro to Oldenburg | 1,071.04 mi (1,723.68 km) |
| Mogadouro to Oldenburg in Holstein | 1,205.53 mi (1,940.11 km) |
| Mogadouro to Olfen | 978.50 mi (1,574.74 km) |
| Mogadouro to Olpe | 962.27 mi (1,548.63 km) |
| Mogadouro to Olsberg | 998.63 mi (1,607.15 km) |
| Mogadouro to Oranienburg | 1,219.62 mi (1,962.79 km) |
| Mogadouro to Ortenberg | 978.79 mi (1,575.20 km) |
