| Waterville to Oberkirch | 3,541.65 mi (5,699.73 km) |
| Waterville to Obernburg am Main | 3,544.01 mi (5,703.54 km) |
| Waterville to Obernkirchen | 3,470.98 mi (5,586.00 km) |
| Waterville to Oberschleissheim | 3,692.20 mi (5,942.02 km) |
| Waterville to Oberstdorf | 3,667.66 mi (5,902.53 km) |
| Waterville to Obertraubling | 3,692.56 mi (5,942.59 km) |
| Waterville to Obertshausen | 3,524.81 mi (5,672.63 km) |
| Waterville to Oberursel | 3,510.47 mi (5,649.56 km) |
| Waterville to Ochsenfurt | 3,586.82 mi (5,772.43 km) |
| Waterville to Ochsenhausen | 3,632.40 mi (5,845.78 km) |
| Waterville to Ochtrup | 3,398.20 mi (5,468.87 km) |
| Waterville to Odenthal | 3,428.18 mi (5,517.12 km) |
| Waterville to Oelde | 3,445.93 mi (5,545.69 km) |
| Waterville to Oelsnitz | 3,645.35 mi (5,866.62 km) |
| Waterville to Oer-Erkenschwick | 3,416.23 mi (5,497.89 km) |
