| Somersworth to Oberkirch | 3,642.40 mi (5,861.88 km) |
| Somersworth to Obernburg am Main | 3,645.99 mi (5,867.65 km) |
| Somersworth to Obernkirchen | 3,574.56 mi (5,752.70 km) |
| Somersworth to Oberschleissheim | 3,793.63 mi (6,105.26 km) |
| Somersworth to Oberstdorf | 3,768.14 mi (6,064.24 km) |
| Somersworth to Obertraubling | 3,794.62 mi (6,106.85 km) |
| Somersworth to Obertshausen | 3,626.87 mi (5,836.89 km) |
| Somersworth to Oberursel | 3,612.58 mi (5,813.88 km) |
| Somersworth to Ochsenfurt | 3,688.87 mi (5,936.66 km) |
| Somersworth to Ochsenhausen | 3,733.29 mi (6,008.14 km) |
| Somersworth to Ochtrup | 3,501.41 mi (5,634.98 km) |
| Somersworth to Odenthal | 3,530.57 mi (5,681.91 km) |
| Somersworth to Oelde | 3,549.07 mi (5,711.67 km) |
| Somersworth to Oelsnitz | 3,748.35 mi (6,032.39 km) |
| Somersworth to Oer-Erkenschwick | 3,519.07 mi (5,663.40 km) |