| Tortoreto to Oberkirch | 485.74 mi (781.73 km) |
| Tortoreto to Obernburg am Main | 536.87 mi (864.01 km) |
| Tortoreto to Obernkirchen | 690.92 mi (1,111.94 km) |
| Tortoreto to Oberschleissheim | 393.31 mi (632.98 km) |
| Tortoreto to Oberstdorf | 364.47 mi (586.55 km) |
| Tortoreto to Obertraubling | 434.22 mi (698.80 km) |
| Tortoreto to Obertshausen | 557.06 mi (896.51 km) |
| Tortoreto to Oberursel | 570.73 mi (918.50 km) |
| Tortoreto to Ochsenfurt | 507.63 mi (816.96 km) |
| Tortoreto to Ochsenhausen | 411.83 mi (662.77 km) |
| Tortoreto to Ochtrup | 720.99 mi (1,160.31 km) |
| Tortoreto to Odenthal | 652.50 mi (1,050.09 km) |
| Tortoreto to Oelde | 679.56 mi (1,093.64 km) |
| Tortoreto to Oelsnitz | 532.74 mi (857.36 km) |
| Tortoreto to Oer-Erkenschwick | 685.68 mi (1,103.49 km) |
