| Tortoli to Oberkirch | 599.21 mi (964.33 km) |
| Tortoli to Obernburg am Main | 684.93 mi (1,102.30 km) |
| Tortoli to Obernkirchen | 852.51 mi (1,371.98 km) |
| Tortoli to Oberschleissheim | 582.39 mi (937.27 km) |
| Tortoli to Oberstdorf | 517.52 mi (832.87 km) |
| Tortoli to Obertraubling | 636.21 mi (1,023.89 km) |
| Tortoli to Obertshausen | 701.27 mi (1,128.59 km) |
| Tortoli to Oberursel | 711.50 mi (1,145.04 km) |
| Tortoli to Ochsenfurt | 671.67 mi (1,080.94 km) |
| Tortoli to Ochsenhausen | 562.54 mi (905.32 km) |
| Tortoli to Ochtrup | 855.96 mi (1,377.53 km) |
| Tortoli to Odenthal | 776.57 mi (1,249.76 km) |
| Tortoli to Oelde | 825.32 mi (1,328.23 km) |
| Tortoli to Oelsnitz | 734.52 mi (1,182.09 km) |
| Tortoli to Oer-Erkenschwick | 817.10 mi (1,315.00 km) |
