| Copperas Cove to Oberkirch | 5,295.41 mi (8,522.14 km) |
| Copperas Cove to Obernburg am Main | 5,287.27 mi (8,509.04 km) |
| Copperas Cove to Obernkirchen | 5,196.51 mi (8,362.97 km) |
| Copperas Cove to Oberschleissheim | 5,439.57 mi (8,754.14 km) |
| Copperas Cove to Oberstdorf | 5,422.89 mi (8,727.30 km) |
| Copperas Cove to Obertraubling | 5,433.90 mi (8,745.01 km) |
| Copperas Cove to Obertshausen | 5,267.30 mi (8,476.89 km) |
| Copperas Cove to Oberursel | 5,252.65 mi (8,453.33 km) |
| Copperas Cove to Ochsenfurt | 5,329.06 mi (8,576.30 km) |
| Copperas Cove to Ochsenhausen | 5,384.68 mi (8,665.80 km) |
| Copperas Cove to Ochtrup | 5,129.15 mi (8,254.57 km) |
| Copperas Cove to Odenthal | 5,168.08 mi (8,317.21 km) |
| Copperas Cove to Oelde | 5,177.38 mi (8,332.19 km) |
| Copperas Cove to Oelsnitz | 5,376.70 mi (8,652.96 km) |
| Copperas Cove to Oer-Erkenschwick | 5,151.36 mi (8,290.31 km) |
