| Carballo to Oberkirch | 883.80 mi (1,422.35 km) |
| Carballo to Obernburg am Main | 959.60 mi (1,544.33 km) |
| Carballo to Obernkirchen | 1,032.21 mi (1,661.18 km) |
| Carballo to Oberschleissheim | 1,032.97 mi (1,662.40 km) |
| Carballo to Oberstdorf | 963.00 mi (1,549.80 km) |
| Carballo to Obertraubling | 1,070.82 mi (1,723.32 km) |
| Carballo to Obertshausen | 952.89 mi (1,533.53 km) |
| Carballo to Oberursel | 946.25 mi (1,522.85 km) |
| Carballo to Ochsenfurt | 993.68 mi (1,599.18 km) |
| Carballo to Ochsenhausen | 957.51 mi (1,540.96 km) |
| Carballo to Ochtrup | 960.86 mi (1,546.36 km) |
| Carballo to Odenthal | 915.25 mi (1,472.95 km) |
| Carballo to Oelde | 981.59 mi (1,579.72 km) |
| Carballo to Oelsnitz | 1,099.10 mi (1,768.83 km) |
| Carballo to Oer-Erkenschwick | 941.86 mi (1,515.77 km) |
