| Catalina Foothills to Orangevale (California) | 729.02 mi (1,173.24 km) |
| Catalina Foothills to Orchards (Washington) | 1,113.78 mi (1,792.46 km) |
| Catalina Foothills to Orcutt (California) | 576.61 mi (927.97 km) |
| Catalina Foothills to Oregon (Ohio) | 1,638.04 mi (2,636.17 km) |
| Catalina Foothills to Oregon (Wisconsin) | 1,380.33 mi (2,221.43 km) |
| Catalina Foothills to Oregon City (Oregon) | 1,096.83 mi (1,765.18 km) |
| Catalina Foothills to Orem (Utah) | 554.15 mi (891.82 km) |
| Catalina Foothills to Orinda (California) | 744.96 mi (1,198.89 km) |
| Catalina Foothills to Orland Park (Illinois) | 1,418.20 mi (2,282.38 km) |
| Catalina Foothills to Orlando (Florida) | 1,775.02 mi (2,856.62 km) |
| Catalina Foothills to Ormond Beach (Florida) | 1,773.97 mi (2,854.93 km) |
| Catalina Foothills to Oro Valley (Arizona) | 9.69 mi (15.59 km) |
| Catalina Foothills to Oroville (California) | 776.43 mi (1,249.54 km) |
| Catalina Foothills to Oshkosh (Wisconsin) | 1,450.57 mi (2,334.47 km) |
| Catalina Foothills to Oskaloosa (Iowa) | 1,181.39 mi (1,901.26 km) |
