| Owensboro to Oberkirch | 4,540.00 mi (7,306.42 km) |
| Owensboro to Obernburg am Main | 4,535.68 mi (7,299.46 km) |
| Owensboro to Obernkirchen | 4,451.24 mi (7,163.58 km) |
| Owensboro to Oberschleissheim | 4,686.66 mi (7,542.45 km) |
| Owensboro to Oberstdorf | 4,667.07 mi (7,510.92 km) |
| Owensboro to Obertraubling | 4,683.21 mi (7,536.91 km) |
| Owensboro to Obertshausen | 4,515.95 mi (7,267.73 km) |
| Owensboro to Oberursel | 4,501.40 mi (7,244.30 km) |
| Owensboro to Ochsenfurt | 4,577.90 mi (7,367.42 km) |
| Owensboro to Ochsenhausen | 4,629.90 mi (7,451.10 km) |
| Owensboro to Ochtrup | 4,381.78 mi (7,051.79 km) |
| Owensboro to Odenthal | 4,417.53 mi (7,109.32 km) |
| Owensboro to Oelde | 4,429.92 mi (7,129.26 km) |
| Owensboro to Oelsnitz | 4,629.63 mi (7,450.67 km) |
| Owensboro to Oer-Erkenschwick | 4,402.51 mi (7,085.15 km) |
