| Coamo to Oberkirch | 4,583.70 mi (7,376.75 km) |
| Coamo to Obernburg am Main | 4,629.87 mi (7,451.05 km) |
| Coamo to Obernkirchen | 4,627.05 mi (7,446.52 km) |
| Coamo to Oberschleissheim | 4,744.15 mi (7,634.97 km) |
| Coamo to Oberstdorf | 4,687.86 mi (7,544.38 km) |
| Coamo to Obertraubling | 4,768.35 mi (7,673.91 km) |
| Coamo to Obertshausen | 4,615.91 mi (7,428.59 km) |
| Coamo to Oberursel | 4,604.44 mi (7,410.13 km) |
| Coamo to Ochsenfurt | 4,671.52 mi (7,518.08 km) |
| Coamo to Ochsenhausen | 4,670.31 mi (7,516.13 km) |
| Coamo to Ochtrup | 4,545.45 mi (7,315.20 km) |
| Coamo to Odenthal | 4,540.62 mi (7,307.43 km) |
| Coamo to Oelde | 4,585.82 mi (7,380.17 km) |
| Coamo to Oelsnitz | 4,762.26 mi (7,664.12 km) |
| Coamo to Oer-Erkenschwick | 4,547.17 mi (7,317.96 km) |
