| Karayilan to Orbetello | 1,384.10 mi (2,227.50 km) |
| Karayilan to Oria | 1,035.52 mi (1,666.51 km) |
| Karayilan to Oristano | 1,508.54 mi (2,427.76 km) |
| Karayilan to Orta Nova | 1,143.66 mi (1,840.54 km) |
| Karayilan to Orte | 1,325.20 mi (2,132.70 km) |
| Karayilan to Ortona | 1,222.76 mi (1,967.84 km) |
| Karayilan to Orvieto | 1,342.02 mi (2,159.77 km) |
| Karayilan to Orzinuovi | 1,487.04 mi (2,393.16 km) |
| Karayilan to Osimo | 1,284.93 mi (2,067.90 km) |
| Karayilan to Ospitaletto | 1,483.22 mi (2,387.01 km) |
| Karayilan to Ostuni | 1,040.64 mi (1,674.75 km) |
| Karayilan to Ottaviano | 1,202.63 mi (1,935.44 km) |
| Karayilan to Ovada | 1,536.61 mi (2,472.93 km) |
| Karayilan to Ozieri | 1,487.25 mi (2,393.50 km) |
| Karayilan to Paceco | 1,300.25 mi (2,092.54 km) |
