| Manzanares el Real to Oerlinghausen | 976.94 mi (1,572.23 km) |
| Manzanares el Real to Oestrich-Winkel | 859.34 mi (1,382.98 km) |
| Manzanares el Real to Offenburg | 787.45 mi (1,267.28 km) |
| Manzanares el Real to Oftersheim | 849.83 mi (1,367.67 km) |
| Manzanares el Real to Ohrdruf | 987.38 mi (1,589.04 km) |
| Manzanares el Real to Ohringen | 874.81 mi (1,407.87 km) |
| Manzanares el Real to Olbernhau | 1,072.53 mi (1,726.08 km) |
| Manzanares el Real to Olching | 906.67 mi (1,459.14 km) |
| Manzanares el Real to Oldenburg | 1,026.77 mi (1,652.43 km) |
| Manzanares el Real to Oldenburg in Holstein | 1,158.15 mi (1,863.86 km) |
| Manzanares el Real to Olfen | 928.01 mi (1,493.48 km) |
| Manzanares el Real to Olpe | 904.32 mi (1,455.36 km) |
| Manzanares el Real to Olsberg | 940.37 mi (1,513.38 km) |
| Manzanares el Real to Oranienburg | 1,154.48 mi (1,857.95 km) |
| Manzanares el Real to Ortenberg | 910.30 mi (1,464.99 km) |
