| Iskenderun to Orbetello | 1,384.53 mi (2,228.18 km) |
| Iskenderun to Oria | 1,035.25 mi (1,666.07 km) |
| Iskenderun to Oristano | 1,507.65 mi (2,426.33 km) |
| Iskenderun to Orta Nova | 1,143.77 mi (1,840.72 km) |
| Iskenderun to Orte | 1,325.71 mi (2,133.52 km) |
| Iskenderun to Ortona | 1,223.36 mi (1,968.80 km) |
| Iskenderun to Orvieto | 1,342.64 mi (2,160.78 km) |
| Iskenderun to Orzinuovi | 1,488.80 mi (2,395.99 km) |
| Iskenderun to Osimo | 1,286.07 mi (2,069.73 km) |
| Iskenderun to Ospitaletto | 1,485.06 mi (2,389.97 km) |
| Iskenderun to Ostuni | 1,040.52 mi (1,674.56 km) |
| Iskenderun to Ottaviano | 1,202.37 mi (1,935.02 km) |
| Iskenderun to Ovada | 1,537.93 mi (2,475.06 km) |
| Iskenderun to Ozieri | 1,486.69 mi (2,392.59 km) |
| Iskenderun to Paceco | 1,298.35 mi (2,089.49 km) |
