| Cayeli to Orbetello | 1,516.08 mi (2,439.90 km) |
| Cayeli to Oria | 1,204.94 mi (1,939.16 km) |
| Cayeli to Oristano | 1,680.64 mi (2,704.73 km) |
| Cayeli to Orta Nova | 1,295.68 mi (2,085.19 km) |
| Cayeli to Orte | 1,456.44 mi (2,343.92 km) |
| Cayeli to Ortona | 1,354.92 mi (2,180.54 km) |
| Cayeli to Orvieto | 1,468.65 mi (2,363.57 km) |
| Cayeli to Orzinuovi | 1,568.02 mi (2,523.48 km) |
| Cayeli to Osimo | 1,395.86 mi (2,246.42 km) |
| Cayeli to Ospitaletto | 1,561.27 mi (2,512.62 km) |
| Cayeli to Ostuni | 1,204.96 mi (1,939.20 km) |
| Cayeli to Ottaviano | 1,364.13 mi (2,195.35 km) |
| Cayeli to Ovada | 1,632.13 mi (2,626.66 km) |
| Cayeli to Ozieri | 1,649.29 mi (2,654.28 km) |
| Cayeli to Paceco | 1,509.80 mi (2,429.79 km) |
