| Forest Acres to Oberkirch | 4,465.65 mi (7,186.77 km) |
| Forest Acres to Obernburg am Main | 4,473.37 mi (7,199.20 km) |
| Forest Acres to Obernkirchen | 4,406.75 mi (7,091.98 km) |
| Forest Acres to Oberschleissheim | 4,619.06 mi (7,433.66 km) |
| Forest Acres to Oberstdorf | 4,590.23 mi (7,387.26 km) |
| Forest Acres to Obertraubling | 4,622.18 mi (7,438.68 km) |
| Forest Acres to Obertshausen | 4,454.57 mi (7,168.94 km) |
| Forest Acres to Oberursel | 4,440.42 mi (7,146.16 km) |
| Forest Acres to Ochsenfurt | 4,516.46 mi (7,268.54 km) |
| Forest Acres to Ochsenhausen | 4,556.88 mi (7,333.60 km) |
| Forest Acres to Ochtrup | 4,332.63 mi (6,972.69 km) |
| Forest Acres to Odenthal | 4,359.37 mi (7,015.74 km) |
| Forest Acres to Oelde | 4,380.05 mi (7,049.01 km) |
| Forest Acres to Oelsnitz | 4,578.84 mi (7,368.94 km) |
| Forest Acres to Oer-Erkenschwick | 4,349.23 mi (6,999.41 km) |
