| Valka to Oberkirch | 973.52 mi (1,566.72 km) |
| Valka to Obernburg am Main | 875.18 mi (1,408.47 km) |
| Valka to Obernkirchen | 766.20 mi (1,233.08 km) |
| Valka to Oberschleissheim | 886.56 mi (1,426.78 km) |
| Valka to Oberstdorf | 968.80 mi (1,559.13 km) |
| Valka to Obertraubling | 830.60 mi (1,336.71 km) |
| Valka to Obertshausen | 873.94 mi (1,406.48 km) |
| Valka to Oberursel | 875.64 mi (1,409.21 km) |
| Valka to Ochsenfurt | 855.96 mi (1,377.53 km) |
| Valka to Ochsenhausen | 941.97 mi (1,515.95 km) |
| Valka to Ochtrup | 835.01 mi (1,343.82 km) |
| Valka to Odenthal | 886.16 mi (1,426.14 km) |
| Valka to Oelde | 817.05 mi (1,314.92 km) |
| Valka to Oelsnitz | 753.81 mi (1,213.14 km) |
| Valka to Oer-Erkenschwick | 855.73 mi (1,377.16 km) |
