| Patnos to Orbetello | 1,659.76 mi (2,671.12 km) |
| Patnos to Oria | 1,336.53 mi (2,150.94 km) |
| Patnos to Oristano | 1,814.88 mi (2,920.76 km) |
| Patnos to Orta Nova | 1,432.82 mi (2,305.90 km) |
| Patnos to Orte | 1,599.93 mi (2,574.83 km) |
| Patnos to Ortona | 1,497.48 mi (2,409.96 km) |
| Patnos to Orvieto | 1,613.29 mi (2,596.33 km) |
| Patnos to Orzinuovi | 1,722.59 mi (2,772.25 km) |
| Patnos to Osimo | 1,543.52 mi (2,484.05 km) |
| Patnos to Ospitaletto | 1,716.34 mi (2,762.18 km) |
| Patnos to Ostuni | 1,337.97 mi (2,153.26 km) |
| Patnos to Ottaviano | 1,499.31 mi (2,412.91 km) |
| Patnos to Ovada | 1,784.27 mi (2,871.51 km) |
| Patnos to Ozieri | 1,786.14 mi (2,874.51 km) |
| Patnos to Paceco | 1,631.57 mi (2,625.75 km) |
