| Manzanares to Oerlinghausen | 1,066.15 mi (1,715.80 km) |
| Manzanares to Oestrich-Winkel | 942.28 mi (1,516.45 km) |
| Manzanares to Offenburg | 862.31 mi (1,387.75 km) |
| Manzanares to Oftersheim | 927.64 mi (1,492.89 km) |
| Manzanares to Ohrdruf | 1,066.18 mi (1,715.85 km) |
| Manzanares to Ohringen | 948.72 mi (1,526.82 km) |
| Manzanares to Olbernhau | 1,144.00 mi (1,841.09 km) |
| Manzanares to Olching | 968.97 mi (1,559.41 km) |
| Manzanares to Oldenburg | 1,121.07 mi (1,804.19 km) |
| Manzanares to Oldenburg in Holstein | 1,249.85 mi (2,011.43 km) |
| Manzanares to Olfen | 1,019.90 mi (1,641.37 km) |
| Manzanares to Olpe | 992.26 mi (1,596.88 km) |
| Manzanares to Olsberg | 1,027.73 mi (1,653.98 km) |
| Manzanares to Oranienburg | 1,235.65 mi (1,988.59 km) |
| Manzanares to Ortenberg | 991.63 mi (1,595.88 km) |
