| Freeport to Oberkirch | 3,860.78 mi (6,213.32 km) |
| Freeport to Obernburg am Main | 3,866.22 mi (6,222.08 km) |
| Freeport to Obernkirchen | 3,797.17 mi (6,110.96 km) |
| Freeport to Oberschleissheim | 4,013.00 mi (6,458.30 km) |
| Freeport to Oberstdorf | 3,986.04 mi (6,414.92 km) |
| Freeport to Obertraubling | 4,014.96 mi (6,461.46 km) |
| Freeport to Obertshausen | 3,847.25 mi (6,191.55 km) |
| Freeport to Oberursel | 3,833.02 mi (6,168.65 km) |
| Freeport to Ochsenfurt | 3,909.20 mi (6,291.26 km) |
| Freeport to Ochsenhausen | 3,951.83 mi (6,359.86 km) |
| Freeport to Ochtrup | 3,723.50 mi (5,992.40 km) |
| Freeport to Odenthal | 3,751.46 mi (6,037.39 km) |
| Freeport to Oelde | 3,771.04 mi (6,068.90 km) |
| Freeport to Oelsnitz | 3,970.10 mi (6,389.25 km) |
| Freeport to Oer-Erkenschwick | 3,740.62 mi (6,019.95 km) |
