| Tyrnavos to Oberkirch | 927.68 mi (1,492.95 km) |
| Tyrnavos to Obernburg am Main | 947.51 mi (1,524.87 km) |
| Tyrnavos to Obernkirchen | 1,068.42 mi (1,719.46 km) |
| Tyrnavos to Oberschleissheim | 792.25 mi (1,275.00 km) |
| Tyrnavos to Oberstdorf | 799.86 mi (1,287.25 km) |
| Tyrnavos to Obertraubling | 808.91 mi (1,301.82 km) |
| Tyrnavos to Obertshausen | 968.19 mi (1,558.15 km) |
| Tyrnavos to Oberursel | 982.94 mi (1,581.89 km) |
| Tyrnavos to Ochsenfurt | 908.47 mi (1,462.05 km) |
| Tyrnavos to Ochsenhausen | 840.14 mi (1,352.08 km) |
| Tyrnavos to Ochtrup | 1,121.44 mi (1,804.79 km) |
| Tyrnavos to Odenthal | 1,068.88 mi (1,720.19 km) |
| Tyrnavos to Oelde | 1,074.38 mi (1,729.05 km) |
| Tyrnavos to Oelsnitz | 886.21 mi (1,426.21 km) |
| Tyrnavos to Oer-Erkenschwick | 1,092.73 mi (1,758.58 km) |
