| Fitchburg to Oberkirch | 3,707.30 mi (5,966.32 km) |
| Fitchburg to Obernburg am Main | 3,711.16 mi (5,972.54 km) |
| Fitchburg to Obernkirchen | 3,640.03 mi (5,858.07 km) |
| Fitchburg to Oberschleissheim | 3,858.68 mi (6,209.95 km) |
| Fitchburg to Oberstdorf | 3,832.96 mi (6,168.55 km) |
| Fitchburg to Obertraubling | 3,859.81 mi (6,211.77 km) |
| Fitchburg to Obertshausen | 3,692.07 mi (5,941.81 km) |
| Fitchburg to Oberursel | 3,677.78 mi (5,918.81 km) |
| Fitchburg to Ochsenfurt | 3,754.06 mi (6,041.57 km) |
| Fitchburg to Ochsenhausen | 3,798.21 mi (6,112.63 km) |
| Fitchburg to Ochtrup | 3,566.82 mi (5,740.25 km) |
| Fitchburg to Odenthal | 3,595.83 mi (5,786.94 km) |
| Fitchburg to Oelde | 3,614.47 mi (5,816.92 km) |
| Fitchburg to Oelsnitz | 3,813.73 mi (6,137.60 km) |
| Fitchburg to Oer-Erkenschwick | 3,584.42 mi (5,768.57 km) |
