| Fairfax to Oberkirch | 4,092.41 mi (6,586.10 km) |
| Fairfax to Obernburg am Main | 4,096.93 mi (6,593.38 km) |
| Fairfax to Obernkirchen | 4,026.10 mi (6,479.38 km) |
| Fairfax to Oberschleissheim | 4,244.19 mi (6,830.36 km) |
| Fairfax to Oberstdorf | 4,217.87 mi (6,788.00 km) |
| Fairfax to Obertraubling | 4,245.62 mi (6,832.66 km) |
| Fairfax to Obertshausen | 4,077.88 mi (6,562.71 km) |
| Fairfax to Oberursel | 4,063.60 mi (6,539.74 km) |
| Fairfax to Ochsenfurt | 4,139.86 mi (6,662.46 km) |
| Fairfax to Ochsenhausen | 4,183.40 mi (6,732.53 km) |
| Fairfax to Ochtrup | 3,952.90 mi (6,361.57 km) |
| Fairfax to Odenthal | 3,981.76 mi (6,408.02 km) |
| Fairfax to Oelde | 4,000.53 mi (6,438.24 km) |
| Fairfax to Oelsnitz | 4,199.78 mi (6,758.89 km) |
| Fairfax to Oer-Erkenschwick | 3,970.45 mi (6,389.82 km) |
