| Teays Valley to Oberkirch | 4,299.90 mi (6,920.02 km) |
| Teays Valley to Obernburg am Main | 4,300.15 mi (6,920.43 km) |
| Teays Valley to Obernkirchen | 4,222.67 mi (6,795.73 km) |
| Teays Valley to Oberschleissheim | 4,449.34 mi (7,160.53 km) |
| Teays Valley to Oberstdorf | 4,426.25 mi (7,123.35 km) |
| Teays Valley to Obertraubling | 4,448.43 mi (7,159.05 km) |
| Teays Valley to Obertshausen | 4,280.76 mi (6,889.21 km) |
| Teays Valley to Oberursel | 4,266.33 mi (6,866.00 km) |
| Teays Valley to Ochsenfurt | 4,342.78 mi (6,989.03 km) |
| Teays Valley to Ochsenhausen | 4,390.44 mi (7,065.74 km) |
| Teays Valley to Ochtrup | 4,151.20 mi (6,680.70 km) |
| Teays Valley to Odenthal | 4,183.42 mi (6,732.57 km) |
| Teays Valley to Oelde | 4,199.13 mi (6,757.84 km) |
| Teays Valley to Oelsnitz | 4,398.81 mi (7,079.20 km) |
| Teays Valley to Oer-Erkenschwick | 4,170.31 mi (6,711.46 km) |
