| Halfeti to Oberkirch | 1,682.40 mi (2,707.56 km) |
| Halfeti to Obernburg am Main | 1,665.71 mi (2,680.70 km) |
| Halfeti to Obernkirchen | 1,732.06 mi (2,787.49 km) |
| Halfeti to Oberschleissheim | 1,524.53 mi (2,453.49 km) |
| Halfeti to Oberstdorf | 1,562.93 mi (2,515.29 km) |
| Halfeti to Obertraubling | 1,517.01 mi (2,441.40 km) |
| Halfeti to Obertshausen | 1,684.03 mi (2,710.19 km) |
| Halfeti to Oberursel | 1,697.98 mi (2,732.64 km) |
| Halfeti to Ochsenfurt | 1,622.43 mi (2,611.05 km) |
| Halfeti to Ochsenhausen | 1,591.12 mi (2,560.66 km) |
| Halfeti to Ochtrup | 1,804.84 mi (2,904.60 km) |
| Halfeti to Odenthal | 1,778.01 mi (2,861.43 km) |
| Halfeti to Oelde | 1,757.23 mi (2,827.98 km) |
| Halfeti to Oelsnitz | 1,558.16 mi (2,507.62 km) |
| Halfeti to Oer-Erkenschwick | 1,787.72 mi (2,877.07 km) |
