| Toprakkale to Oberkirch | 1,615.13 mi (2,599.31 km) |
| Toprakkale to Obernburg am Main | 1,602.88 mi (2,579.58 km) |
| Toprakkale to Obernkirchen | 1,676.27 mi (2,697.69 km) |
| Toprakkale to Oberschleissheim | 1,458.84 mi (2,347.77 km) |
| Toprakkale to Oberstdorf | 1,493.81 mi (2,404.05 km) |
| Toprakkale to Obertraubling | 1,454.05 mi (2,340.07 km) |
| Toprakkale to Obertshausen | 1,621.63 mi (2,609.76 km) |
| Toprakkale to Oberursel | 1,635.78 mi (2,632.53 km) |
| Toprakkale to Ochsenfurt | 1,559.76 mi (2,510.19 km) |
| Toprakkale to Ochsenhausen | 1,523.71 mi (2,452.17 km) |
| Toprakkale to Ochtrup | 1,747.27 mi (2,811.97 km) |
| Toprakkale to Odenthal | 1,717.11 mi (2,763.42 km) |
| Toprakkale to Oelde | 1,699.36 mi (2,734.86 km) |
| Toprakkale to Oelsnitz | 1,499.73 mi (2,413.58 km) |
| Toprakkale to Oer-Erkenschwick | 1,728.63 mi (2,781.96 km) |
