| Nusaybin to Orbetello | 1,627.06 mi (2,618.49 km) |
| Nusaybin to Oria | 1,287.86 mi (2,072.62 km) |
| Nusaybin to Oristano | 1,765.24 mi (2,840.88 km) |
| Nusaybin to Orta Nova | 1,391.44 mi (2,239.30 km) |
| Nusaybin to Orte | 1,567.43 mi (2,522.53 km) |
| Nusaybin to Ortona | 1,464.41 mi (2,356.73 km) |
| Nusaybin to Orvieto | 1,582.73 mi (2,547.16 km) |
| Nusaybin to Orzinuovi | 1,711.22 mi (2,753.94 km) |
| Nusaybin to Osimo | 1,519.29 mi (2,445.06 km) |
| Nusaybin to Ospitaletto | 1,706.15 mi (2,745.79 km) |
| Nusaybin to Ostuni | 1,291.40 mi (2,078.31 km) |
| Nusaybin to Ottaviano | 1,454.06 mi (2,340.08 km) |
| Nusaybin to Ovada | 1,767.04 mi (2,843.77 km) |
| Nusaybin to Ozieri | 1,740.83 mi (2,801.59 km) |
| Nusaybin to Paceco | 1,565.73 mi (2,519.80 km) |
