| Carballo to Oerlinghausen | 1,005.26 mi (1,617.80 km) |
| Carballo to Oestrich-Winkel | 917.17 mi (1,476.05 km) |
| Carballo to Offenburg | 875.84 mi (1,409.53 km) |
| Carballo to Oftersheim | 924.62 mi (1,488.02 km) |
| Carballo to Ohrdruf | 1,050.31 mi (1,690.32 km) |
| Carballo to Ohringen | 959.47 mi (1,544.12 km) |
| Carballo to Olbernhau | 1,153.16 mi (1,855.83 km) |
| Carballo to Olching | 1,020.99 mi (1,643.13 km) |
| Carballo to Oldenburg | 1,032.87 mi (1,662.25 km) |
| Carballo to Oldenburg in Holstein | 1,167.99 mi (1,879.69 km) |
| Carballo to Olfen | 949.40 mi (1,527.91 km) |
| Carballo to Olpe | 941.86 mi (1,515.78 km) |
| Carballo to Olsberg | 977.58 mi (1,573.27 km) |
| Carballo to Oranienburg | 1,201.58 mi (1,933.75 km) |
| Carballo to Ortenberg | 969.83 mi (1,560.80 km) |
