| Santa Maria a Monte to Oswego (Illinois) | 4,697.56 mi (7,559.99 km) |
| Santa Maria a Monte to Oswego (New York) | 4,141.32 mi (6,664.81 km) |
| Santa Maria a Monte to Otsego (Minnesota) | 4,738.94 mi (7,626.59 km) |
| Santa Maria a Monte to Ottawa (Illinois) | 4,731.49 mi (7,614.60 km) |
| Santa Maria a Monte to Ottawa (Kansas) | 5,112.29 mi (8,227.43 km) |
| Santa Maria a Monte to Ottumwa (Iowa) | 4,887.94 mi (7,866.38 km) |
| Santa Maria a Monte to Overland (Missouri) | 4,913.16 mi (7,906.96 km) |
| Santa Maria a Monte to Overland Park (Kansas) | 5,076.08 mi (8,169.16 km) |
| Santa Maria a Monte to Overlea (Maryland) | 4,301.63 mi (6,922.80 km) |
| Santa Maria a Monte to Oviedo (Florida) | 4,968.02 mi (7,995.25 km) |
| Santa Maria a Monte to Owasso (Oklahoma) | 5,245.70 mi (8,442.14 km) |
| Santa Maria a Monte to Owatonna (Minnesota) | 4,778.11 mi (7,689.63 km) |
| Santa Maria a Monte to Owensboro (Kentucky) | 4,822.01 mi (7,760.28 km) |
| Santa Maria a Monte to Owings Mills (Maryland) | 4,311.66 mi (6,938.94 km) |
| Santa Maria a Monte to Owosso (Michigan) | 4,474.76 mi (7,201.42 km) |
