| Waco to Oberkirch | 5,244.33 mi (8,439.93 km) |
| Waco to Obernburg am Main | 5,236.53 mi (8,427.38 km) |
| Waco to Obernkirchen | 5,146.30 mi (8,282.17 km) |
| Waco to Oberschleissheim | 5,388.72 mi (8,672.30 km) |
| Waco to Oberstdorf | 5,371.77 mi (8,645.03 km) |
| Waco to Obertraubling | 5,383.24 mi (8,663.49 km) |
| Waco to Obertshausen | 5,216.57 mi (8,395.27 km) |
| Waco to Oberursel | 5,201.94 mi (8,371.71 km) |
| Waco to Ochsenfurt | 5,278.36 mi (8,494.70 km) |
| Waco to Ochsenhausen | 5,333.65 mi (8,583.68 km) |
| Waco to Ochtrup | 5,078.76 mi (8,173.48 km) |
| Waco to Odenthal | 5,117.42 mi (8,235.69 km) |
| Waco to Oelde | 5,126.99 mi (8,251.09 km) |
| Waco to Oelsnitz | 5,326.36 mi (8,571.95 km) |
| Waco to Oer-Erkenschwick | 5,100.84 mi (8,209.02 km) |
