| Anna to Orbetello | 5,490.36 mi (8,835.88 km) |
| Anna to Oria | 5,834.66 mi (9,389.97 km) |
| Anna to Oristano | 5,480.72 mi (8,820.36 km) |
| Anna to Orta Nova | 5,720.69 mi (9,206.57 km) |
| Anna to Orte | 5,537.71 mi (8,912.08 km) |
| Anna to Ortona | 5,624.06 mi (9,051.05 km) |
| Anna to Orvieto | 5,515.82 mi (8,876.85 km) |
| Anna to Orzinuovi | 5,320.08 mi (8,561.84 km) |
| Anna to Osimo | 5,539.56 mi (8,915.06 km) |
| Anna to Ospitaletto | 5,319.54 mi (8,560.98 km) |
| Anna to Ostuni | 5,822.28 mi (9,370.06 km) |
| Anna to Ottaviano | 5,691.05 mi (9,158.85 km) |
| Anna to Ovada | 5,297.89 mi (8,526.14 km) |
| Anna to Ozieri | 5,471.66 mi (8,805.78 km) |
| Anna to Paceco | 5,730.81 mi (9,222.85 km) |
