| San Buenaventura to Oskaloosa (Iowa) | 1,523.75 mi (2,452.24 km) |
| San Buenaventura to Oswego (Illinois) | 1,748.01 mi (2,813.16 km) |
| San Buenaventura to Oswego (New York) | 2,356.82 mi (3,792.93 km) |
| San Buenaventura to Otsego (Minnesota) | 1,548.06 mi (2,491.36 km) |
| San Buenaventura to Ottawa (Illinois) | 1,720.25 mi (2,768.47 km) |
| San Buenaventura to Ottawa (Kansas) | 1,361.20 mi (2,190.63 km) |
| San Buenaventura to Ottumwa (Iowa) | 1,532.04 mi (2,465.58 km) |
| San Buenaventura to Overland (Missouri) | 1,625.20 mi (2,615.50 km) |
| San Buenaventura to Overland Park (Kansas) | 1,394.01 mi (2,243.44 km) |
| San Buenaventura to Overlea (Maryland) | 2,366.42 mi (3,808.38 km) |
| San Buenaventura to Oviedo (Florida) | 2,262.09 mi (3,640.48 km) |
| San Buenaventura to Owasso (Oklahoma) | 1,323.91 mi (2,130.63 km) |
| San Buenaventura to Owatonna (Minnesota) | 1,539.95 mi (2,478.32 km) |
| San Buenaventura to Owensboro (Kentucky) | 1,801.89 mi (2,899.87 km) |
| San Buenaventura to Owings Mills (Maryland) | 2,351.57 mi (3,784.48 km) |
