| Santa Maria a Monte to Oakley (California) | 6,055.06 mi (9,744.67 km) |
| Santa Maria a Monte to Oakton (Virginia) | 4,354.92 mi (7,008.57 km) |
| Santa Maria a Monte to Oakville (Missouri) | 4,922.55 mi (7,922.07 km) |
| Santa Maria a Monte to Oatfield (Oregon) | 5,645.90 mi (9,086.20 km) |
| Santa Maria a Monte to Ocala (Florida) | 4,988.90 mi (8,028.86 km) |
| Santa Maria a Monte to Ocean Acres (New Jersey) | 4,188.83 mi (6,741.27 km) |
| Santa Maria a Monte to Ocean City (New Jersey) | 4,221.52 mi (6,793.89 km) |
| Santa Maria a Monte to Ocean Pines (Maryland) | 4,280.57 mi (6,888.92 km) |
| Santa Maria a Monte to Ocean Pointe (Hawaii) | 7,888.01 mi (12,694.53 km) |
| Santa Maria a Monte to Ocean Springs (Mississippi) | 5,229.89 mi (8,416.70 km) |
| Santa Maria a Monte to Oceanside (California) | 6,193.54 mi (9,967.54 km) |
| Santa Maria a Monte to Oceanside (New York) | 4,126.31 mi (6,640.65 km) |
| Santa Maria a Monte to Ocoee (Florida) | 4,987.48 mi (8,026.57 km) |
| Santa Maria a Monte to Oconomowoc (Wisconsin) | 4,641.60 mi (7,469.93 km) |
| Santa Maria a Monte to Odenton (Maryland) | 4,321.26 mi (6,954.39 km) |
