| Simeria to Oberkirch | 723.64 mi (1,164.58 km) |
| Simeria to Obernburg am Main | 698.35 mi (1,123.89 km) |
| Simeria to Obernkirchen | 767.46 mi (1,235.11 km) |
| Simeria to Oberschleissheim | 563.04 mi (906.12 km) |
| Simeria to Oberstdorf | 612.85 mi (986.28 km) |
| Simeria to Obertraubling | 550.20 mi (885.46 km) |
| Simeria to Obertshausen | 716.26 mi (1,152.71 km) |
| Simeria to Oberursel | 730.04 mi (1,174.89 km) |
| Simeria to Ochsenfurt | 655.01 mi (1,054.13 km) |
| Simeria to Ochsenhausen | 633.93 mi (1,020.22 km) |
| Simeria to Ochtrup | 837.86 mi (1,348.40 km) |
| Simeria to Odenthal | 809.49 mi (1,302.76 km) |
| Simeria to Oelde | 789.95 mi (1,271.30 km) |
| Simeria to Oelsnitz | 590.37 mi (950.10 km) |
| Simeria to Oer-Erkenschwick | 819.56 mi (1,318.95 km) |
