| Nizip to Orbetello | 1,455.07 mi (2,341.70 km) |
| Nizip to Oria | 1,110.25 mi (1,786.77 km) |
| Nizip to Oristano | 1,585.63 mi (2,551.82 km) |
| Nizip to Orta Nova | 1,216.46 mi (1,957.71 km) |
| Nizip to Orte | 1,395.79 mi (2,246.31 km) |
| Nizip to Ortona | 1,292.98 mi (2,080.85 km) |
| Nizip to Orvieto | 1,411.98 mi (2,272.37 km) |
| Nizip to Orzinuovi | 1,550.33 mi (2,495.02 km) |
| Nizip to Osimo | 1,352.14 mi (2,176.06 km) |
| Nizip to Ospitaletto | 1,546.00 mi (2,488.05 km) |
| Nizip to Ostuni | 1,114.65 mi (1,793.86 km) |
| Nizip to Ottaviano | 1,277.12 mi (2,055.33 km) |
| Nizip to Ovada | 1,602.50 mi (2,578.98 km) |
| Nizip to Ozieri | 1,562.92 mi (2,515.28 km) |
| Nizip to Paceco | 1,381.39 mi (2,223.14 km) |
