| Shirley to Orbetello | 813.32 mi (1,308.91 km) |
| Shirley to Oria | 1,129.32 mi (1,817.47 km) |
| Shirley to Oristano | 894.70 mi (1,439.88 km) |
| Shirley to Orta Nova | 1,019.48 mi (1,640.69 km) |
| Shirley to Orte | 848.99 mi (1,366.31 km) |
| Shirley to Ortona | 921.97 mi (1,483.77 km) |
| Shirley to Orvieto | 826.30 mi (1,329.81 km) |
| Shirley to Orzinuovi | 616.09 mi (991.50 km) |
| Shirley to Osimo | 833.21 mi (1,340.92 km) |
| Shirley to Ospitaletto | 613.26 mi (986.94 km) |
| Shirley to Ostuni | 1,115.68 mi (1,795.52 km) |
| Shirley to Ottaviano | 1,003.37 mi (1,614.77 km) |
| Shirley to Ovada | 614.57 mi (989.05 km) |
| Shirley to Ozieri | 861.97 mi (1,387.21 km) |
| Shirley to Paceco | 1,110.27 mi (1,786.80 km) |
