| Bardstown to Oberkirch | 4,471.15 mi (7,195.61 km) |
| Bardstown to Obernburg am Main | 4,468.53 mi (7,191.41 km) |
| Bardstown to Obernkirchen | 4,386.65 mi (7,059.62 km) |
| Bardstown to Oberschleissheim | 4,618.89 mi (7,433.38 km) |
| Bardstown to Oberstdorf | 4,597.97 mi (7,399.72 km) |
| Bardstown to Obertraubling | 4,616.38 mi (7,429.35 km) |
| Bardstown to Obertshausen | 4,448.93 mi (7,159.86 km) |
| Bardstown to Oberursel | 4,434.42 mi (7,136.51 km) |
| Bardstown to Ochsenfurt | 4,510.92 mi (7,259.62 km) |
| Bardstown to Ochsenhausen | 4,561.31 mi (7,340.72 km) |
| Bardstown to Ochtrup | 4,316.43 mi (6,946.62 km) |
| Bardstown to Odenthal | 4,350.88 mi (7,002.07 km) |
| Bardstown to Oelde | 4,364.50 mi (7,023.98 km) |
| Bardstown to Oelsnitz | 4,564.26 mi (7,345.46 km) |
| Bardstown to Oer-Erkenschwick | 4,336.57 mi (6,979.03 km) |
