| Fredericksburg to Oberkirch | 4,124.75 mi (6,638.15 km) |
| Fredericksburg to Obernburg am Main | 4,129.95 mi (6,646.51 km) |
| Fredericksburg to Obernkirchen | 4,060.06 mi (6,534.03 km) |
| Fredericksburg to Oberschleissheim | 4,276.88 mi (6,882.97 km) |
| Fredericksburg to Oberstdorf | 4,250.04 mi (6,839.79 km) |
| Fredericksburg to Obertraubling | 4,278.67 mi (6,885.85 km) |
| Fredericksburg to Obertshausen | 4,110.94 mi (6,615.93 km) |
| Fredericksburg to Oberursel | 4,096.70 mi (6,593.00 km) |
| Fredericksburg to Ochsenfurt | 4,172.91 mi (6,715.65 km) |
| Fredericksburg to Ochsenhausen | 4,215.80 mi (6,784.67 km) |
| Fredericksburg to Ochtrup | 3,986.64 mi (6,415.87 km) |
| Fredericksburg to Odenthal | 4,015.02 mi (6,461.55 km) |
| Fredericksburg to Oelde | 4,034.22 mi (6,492.46 km) |
| Fredericksburg to Oelsnitz | 4,233.38 mi (6,812.97 km) |
| Fredericksburg to Oer-Erkenschwick | 4,003.97 mi (6,443.77 km) |
