| Solon to Oberkirch | 4,147.66 mi (6,675.01 km) |
| Solon to Obernburg am Main | 4,143.95 mi (6,669.04 km) |
| Solon to Obernkirchen | 4,060.97 mi (6,535.49 km) |
| Solon to Oberschleissheim | 4,294.68 mi (6,911.62 km) |
| Solon to Oberstdorf | 4,274.67 mi (6,879.42 km) |
| Solon to Obertraubling | 4,291.64 mi (6,906.73 km) |
| Solon to Obertshausen | 4,124.28 mi (6,637.39 km) |
| Solon to Oberursel | 4,109.75 mi (6,614.00 km) |
| Solon to Ochsenfurt | 4,186.25 mi (6,737.12 km) |
| Solon to Ochsenhausen | 4,237.64 mi (6,819.82 km) |
| Solon to Ochtrup | 3,991.01 mi (6,422.90 km) |
| Solon to Odenthal | 4,026.03 mi (6,479.27 km) |
| Solon to Oelde | 4,039.11 mi (6,500.31 km) |
| Solon to Oelsnitz | 4,238.85 mi (6,821.78 km) |
| Solon to Oer-Erkenschwick | 4,011.39 mi (6,455.70 km) |
