| Cangas de Narcea to Oerlinghausen | 930.38 mi (1,497.31 km) |
| Cangas de Narcea to Oestrich-Winkel | 833.93 mi (1,342.08 km) |
| Cangas de Narcea to Offenburg | 785.32 mi (1,263.85 km) |
| Cangas de Narcea to Oftersheim | 837.52 mi (1,347.85 km) |
| Cangas de Narcea to Ohrdruf | 967.05 mi (1,556.31 km) |
| Cangas de Narcea to Ohringen | 870.52 mi (1,400.97 km) |
| Cangas de Narcea to Olbernhau | 1,066.51 mi (1,716.38 km) |
| Cangas de Narcea to Olching | 926.53 mi (1,491.10 km) |
| Cangas de Narcea to Oldenburg | 964.45 mi (1,552.13 km) |
| Cangas de Narcea to Oldenburg in Holstein | 1,099.58 mi (1,769.60 km) |
| Cangas de Narcea to Olfen | 875.85 mi (1,409.55 km) |
| Cangas de Narcea to Olpe | 863.93 mi (1,390.37 km) |
| Cangas de Narcea to Olsberg | 900.10 mi (1,448.56 km) |
| Cangas de Narcea to Oranienburg | 1,123.28 mi (1,807.75 km) |
| Cangas de Narcea to Ortenberg | 886.69 mi (1,427.00 km) |
