| Horsell to Oberkirch | 429.91 mi (691.87 km) |
| Horsell to Obernburg am Main | 437.57 mi (704.20 km) |
| Horsell to Obernkirchen | 418.33 mi (673.23 km) |
| Horsell to Oberschleissheim | 580.46 mi (934.16 km) |
| Horsell to Oberstdorf | 557.09 mi (896.54 km) |
| Horsell to Obertraubling | 585.88 mi (942.89 km) |
| Horsell to Obertshausen | 420.00 mi (675.92 km) |
| Horsell to Oberursel | 406.58 mi (654.32 km) |
| Horsell to Ochsenfurt | 480.92 mi (773.96 km) |
| Horsell to Ochsenhausen | 520.14 mi (837.08 km) |
| Horsell to Ochtrup | 336.79 mi (542.01 km) |
| Horsell to Odenthal | 333.04 mi (535.98 km) |
| Horsell to Oelde | 375.43 mi (604.20 km) |
| Horsell to Oelsnitz | 557.82 mi (897.73 km) |
| Horsell to Oer-Erkenschwick | 336.67 mi (541.82 km) |
