| Tega Cay to Oberkirch | 4,420.12 mi (7,113.50 km) |
| Tega Cay to Obernburg am Main | 4,426.36 mi (7,123.54 km) |
| Tega Cay to Obernkirchen | 4,357.57 mi (7,012.83 km) |
| Tega Cay to Oberschleissheim | 4,572.81 mi (7,359.22 km) |
| Tega Cay to Oberstdorf | 4,545.11 mi (7,314.64 km) |
| Tega Cay to Obertraubling | 4,575.12 mi (7,362.95 km) |
| Tega Cay to Obertshausen | 4,407.43 mi (7,093.08 km) |
| Tega Cay to Oberursel | 4,393.22 mi (7,070.21 km) |
| Tega Cay to Ochsenfurt | 4,469.37 mi (7,192.76 km) |
| Tega Cay to Ochsenhausen | 4,511.26 mi (7,260.17 km) |
| Tega Cay to Ochtrup | 4,283.94 mi (6,894.33 km) |
| Tega Cay to Odenthal | 4,311.77 mi (6,939.13 km) |
| Tega Cay to Oelde | 4,331.48 mi (6,970.84 km) |
| Tega Cay to Oelsnitz | 4,530.53 mi (7,291.18 km) |
| Tega Cay to Oer-Erkenschwick | 4,301.04 mi (6,921.85 km) |
