| Williston to Oberkirch | 4,610.62 mi (7,420.08 km) |
| Williston to Obernburg am Main | 4,576.00 mi (7,364.37 km) |
| Williston to Obernkirchen | 4,451.87 mi (7,164.59 km) |
| Williston to Oberschleissheim | 4,731.02 mi (7,613.84 km) |
| Williston to Oberstdorf | 4,736.13 mi (7,622.06 km) |
| Williston to Obertraubling | 4,711.09 mi (7,581.76 km) |
| Williston to Obertshausen | 4,555.20 mi (7,330.89 km) |
| Williston to Oberursel | 4,540.57 mi (7,307.34 km) |
| Williston to Ochsenfurt | 4,613.37 mi (7,424.51 km) |
| Williston to Ochsenhausen | 4,691.52 mi (7,550.27 km) |
| Williston to Ochtrup | 4,398.76 mi (7,079.12 km) |
| Williston to Odenthal | 4,454.95 mi (7,169.56 km) |
| Williston to Oelde | 4,445.55 mi (7,154.42 km) |
| Williston to Oelsnitz | 4,634.83 mi (7,459.03 km) |
| Williston to Oer-Erkenschwick | 4,428.58 mi (7,127.10 km) |
