| San Leandro to Orbetello | 6,171.78 mi (9,932.51 km) |
| San Leandro to Oria | 6,464.89 mi (10,404.24 km) |
| San Leandro to Oristano | 6,233.39 mi (10,031.67 km) |
| San Leandro to Orta Nova | 6,363.59 mi (10,241.21 km) |
| San Leandro to Orte | 6,204.66 mi (9,985.44 km) |
| San Leandro to Ortona | 6,267.93 mi (10,087.25 km) |
| San Leandro to Orvieto | 6,182.03 mi (9,949.01 km) |
| San Leandro to Orzinuovi | 5,968.36 mi (9,605.14 km) |
| San Leandro to Osimo | 6,177.01 mi (9,940.94 km) |
| San Leandro to Ospitaletto | 5,963.66 mi (9,597.58 km) |
| San Leandro to Ostuni | 6,449.70 mi (10,379.79 km) |
| San Leandro to Ottaviano | 6,357.08 mi (10,230.74 km) |
| San Leandro to Ovada | 5,973.29 mi (9,613.09 km) |
| San Leandro to Ozieri | 6,208.73 mi (9,991.99 km) |
| San Leandro to Paceco | 6,465.10 mi (10,404.57 km) |
