| Tortum to Opole | 1,344.22 mi (2,163.31 km) |
| Tortum to Orzesze | 1,297.18 mi (2,087.61 km) |
| Tortum to Osowa | 1,446.47 mi (2,327.86 km) |
| Tortum to Ostroda | 1,368.18 mi (2,201.87 km) |
| Tortum to Ostroleka | 1,289.06 mi (2,074.53 km) |
| Tortum to Ostrow Mazowiecka | 1,267.10 mi (2,039.21 km) |
| Tortum to Ostrow Wielkopolski | 1,376.66 mi (2,215.52 km) |
| Tortum to Ostrowiec Swietokrzyski | 1,216.40 mi (1,957.60 km) |
| Tortum to Ostrzeszow | 1,365.28 mi (2,197.20 km) |
| Tortum to Oswiecim | 1,274.93 mi (2,051.80 km) |
| Tortum to Otwock | 1,263.15 mi (2,032.84 km) |
| Tortum to Ozarow Mazowiecki | 1,283.59 mi (2,065.74 km) |
| Tortum to Ozimek | 1,333.13 mi (2,145.47 km) |
| Tortum to Ozorkow | 1,330.68 mi (2,141.53 km) |
| Tortum to Pabianice | 1,316.60 mi (2,118.86 km) |
