| Somerville to Oberkirch | 3,685.94 mi (5,931.95 km) |
| Somerville to Obernburg am Main | 3,690.86 mi (5,939.87 km) |
| Somerville to Obernkirchen | 3,621.35 mi (5,828.00 km) |
| Somerville to Oberschleissheim | 3,837.87 mi (6,176.46 km) |
| Somerville to Oberstdorf | 3,811.36 mi (6,133.79 km) |
| Somerville to Obertraubling | 3,839.58 mi (6,179.20 km) |
| Somerville to Obertshausen | 3,671.85 mi (5,909.28 km) |
| Somerville to Oberursel | 3,657.60 mi (5,886.35 km) |
| Somerville to Ochsenfurt | 3,733.82 mi (6,009.00 km) |
| Somerville to Ochsenhausen | 3,776.95 mi (6,078.41 km) |
| Somerville to Ochtrup | 3,547.75 mi (5,709.56 km) |
| Somerville to Odenthal | 3,575.94 mi (5,754.92 km) |
| Somerville to Oelde | 3,595.31 mi (5,786.09 km) |
| Somerville to Oelsnitz | 3,794.41 mi (6,106.51 km) |
| Somerville to Oer-Erkenschwick | 3,564.97 mi (5,737.26 km) |
