| Celtik to Oberkirch | 1,344.88 mi (2,164.37 km) |
| Celtik to Obernburg am Main | 1,335.94 mi (2,149.99 km) |
| Celtik to Obernkirchen | 1,416.44 mi (2,279.54 km) |
| Celtik to Oberschleissheim | 1,189.83 mi (1,914.84 km) |
| Celtik to Oberstdorf | 1,222.60 mi (1,967.59 km) |
| Celtik to Obertraubling | 1,187.29 mi (1,910.76 km) |
| Celtik to Obertshausen | 1,355.04 mi (2,180.72 km) |
| Celtik to Oberursel | 1,369.35 mi (2,203.75 km) |
| Celtik to Ochsenfurt | 1,293.04 mi (2,080.95 km) |
| Celtik to Ochsenhausen | 1,253.45 mi (2,017.23 km) |
| Celtik to Ochtrup | 1,485.26 mi (2,390.29 km) |
| Celtik to Odenthal | 1,451.74 mi (2,336.35 km) |
| Celtik to Oelde | 1,437.13 mi (2,312.84 km) |
| Celtik to Oelsnitz | 1,237.40 mi (1,991.41 km) |
| Celtik to Oer-Erkenschwick | 1,465.02 mi (2,357.72 km) |
