| Catalina Foothills to Oakley (California) | 725.53 mi (1,167.63 km) |
| Catalina Foothills to Oakton (Virginia) | 1,929.12 mi (3,104.62 km) |
| Catalina Foothills to Oakville (Missouri) | 1,230.52 mi (1,980.33 km) |
| Catalina Foothills to Oatfield (Oregon) | 1,100.69 mi (1,771.39 km) |
| Catalina Foothills to Ocala (Florida) | 1,714.75 mi (2,759.62 km) |
| Catalina Foothills to Ocean Acres (New Jersey) | 2,093.40 mi (3,369.00 km) |
| Catalina Foothills to Ocean City (New Jersey) | 2,074.95 mi (3,339.31 km) |
| Catalina Foothills to Ocean Pines (Maryland) | 2,044.02 mi (3,289.54 km) |
| Catalina Foothills to Ocean Pointe (Hawaii) | 2,980.00 mi (4,795.84 km) |
| Catalina Foothills to Ocean Springs (Mississippi) | 1,308.05 mi (2,105.10 km) |
| Catalina Foothills to Oceanside (California) | 378.58 mi (609.26 km) |
| Catalina Foothills to Oceanside (New York) | 2,130.69 mi (3,429.02 km) |
| Catalina Foothills to Ocoee (Florida) | 1,761.63 mi (2,835.07 km) |
| Catalina Foothills to Oconomowoc (Wisconsin) | 1,426.44 mi (2,295.63 km) |
| Catalina Foothills to Odenton (Maryland) | 1,962.39 mi (3,158.16 km) |
