| Fort Pierce to Oberkirch | 4,755.07 mi (7,652.54 km) |
| Fort Pierce to Obernburg am Main | 4,772.57 mi (7,680.70 km) |
| Fort Pierce to Obernkirchen | 4,720.64 mi (7,597.13 km) |
| Fort Pierce to Oberschleissheim | 4,912.47 mi (7,905.85 km) |
| Fort Pierce to Oberstdorf | 4,876.27 mi (7,847.59 km) |
| Fort Pierce to Obertraubling | 4,920.91 mi (7,919.44 km) |
| Fort Pierce to Obertshausen | 4,754.70 mi (7,651.95 km) |
| Fort Pierce to Oberursel | 4,741.01 mi (7,629.92 km) |
| Fort Pierce to Ochsenfurt | 4,815.91 mi (7,750.46 km) |
| Fort Pierce to Ochsenhausen | 4,846.46 mi (7,799.62 km) |
| Fort Pierce to Ochtrup | 4,643.66 mi (7,473.24 km) |
| Fort Pierce to Odenthal | 4,663.05 mi (7,504.46 km) |
| Fort Pierce to Oelde | 4,690.04 mi (7,547.89 km) |
| Fort Pierce to Oelsnitz | 4,886.16 mi (7,863.52 km) |
| Fort Pierce to Oer-Erkenschwick | 4,656.87 mi (7,494.50 km) |
