| Santa Maria a Monte to Orangevale (California) | 6,000.73 mi (9,657.25 km) |
| Santa Maria a Monte to Orchards (Washington) | 5,628.10 mi (9,057.55 km) |
| Santa Maria a Monte to Orcutt (California) | 6,198.59 mi (9,975.66 km) |
| Santa Maria a Monte to Oregon (Ohio) | 4,500.75 mi (7,243.26 km) |
| Santa Maria a Monte to Oregon (Wisconsin) | 4,684.12 mi (7,538.37 km) |
| Santa Maria a Monte to Oregon City (Oregon) | 5,650.00 mi (9,092.79 km) |
| Santa Maria a Monte to Orem (Utah) | 5,616.23 mi (9,038.45 km) |
| Santa Maria a Monte to Orinda (California) | 6,075.65 mi (9,777.81 km) |
| Santa Maria a Monte to Orland Park (Illinois) | 4,681.97 mi (7,534.90 km) |
| Santa Maria a Monte to Orlando (Florida) | 4,983.04 mi (8,019.43 km) |
| Santa Maria a Monte to Ormond Beach (Florida) | 4,935.37 mi (7,942.71 km) |
| Santa Maria a Monte to Oro Valley (Arizona) | 6,020.05 mi (9,688.33 km) |
| Santa Maria a Monte to Oroville (California) | 5,963.31 mi (9,597.02 km) |
| Santa Maria a Monte to Oshkosh (Wisconsin) | 4,603.96 mi (7,409.36 km) |
| Santa Maria a Monte to Oskaloosa (Iowa) | 4,883.99 mi (7,860.02 km) |
