| Valley to Oberkirch | 4,699.53 mi (7,563.16 km) |
| Valley to Obernburg am Main | 4,704.16 mi (7,570.62 km) |
| Valley to Obernkirchen | 4,632.55 mi (7,455.37 km) |
| Valley to Oberschleissheim | 4,851.42 mi (7,807.61 km) |
| Valley to Oberstdorf | 4,824.88 mi (7,764.90 km) |
| Valley to Obertraubling | 4,852.83 mi (7,809.88 km) |
| Valley to Obertshausen | 4,685.09 mi (7,539.93 km) |
| Valley to Oberursel | 4,670.81 mi (7,516.94 km) |
| Valley to Ochsenfurt | 4,747.08 mi (7,639.68 km) |
| Valley to Ochsenhausen | 4,790.55 mi (7,709.64 km) |
| Valley to Ochtrup | 4,559.64 mi (7,338.03 km) |
| Valley to Odenthal | 4,588.90 mi (7,385.11 km) |
| Valley to Oelde | 4,607.33 mi (7,414.78 km) |
| Valley to Oelsnitz | 4,806.66 mi (7,735.57 km) |
| Valley to Oer-Erkenschwick | 4,577.41 mi (7,366.63 km) |
