| San Gabriel to Orbetello | 6,253.64 mi (10,064.27 km) |
| San Gabriel to Oria | 6,562.69 mi (10,561.64 km) |
| San Gabriel to Oristano | 6,297.32 mi (10,134.56 km) |
| San Gabriel to Orta Nova | 6,457.18 mi (10,391.82 km) |
| San Gabriel to Orte | 6,290.54 mi (10,123.65 km) |
| San Gabriel to Ortona | 6,360.27 mi (10,235.87 km) |
| San Gabriel to Orvieto | 6,267.86 mi (10,087.15 km) |
| San Gabriel to Orzinuovi | 6,056.45 mi (9,746.92 km) |
| San Gabriel to Osimo | 6,270.01 mi (10,090.60 km) |
| San Gabriel to Ospitaletto | 6,052.74 mi (9,740.95 km) |
| San Gabriel to Ostuni | 6,548.05 mi (10,538.06 km) |
| San Gabriel to Ottaviano | 6,444.77 mi (10,371.86 km) |
| San Gabriel to Ovada | 6,054.62 mi (9,743.98 km) |
| San Gabriel to Ozieri | 6,276.55 mi (10,101.14 km) |
| San Gabriel to Paceco | 6,536.23 mi (10,519.05 km) |
