| Catalina Foothills to Oswego (Illinois) | 1,396.91 mi (2,248.11 km) |
| Catalina Foothills to Oswego (New York) | 2,009.36 mi (3,233.75 km) |
| Catalina Foothills to Otsego (Minnesota) | 1,285.72 mi (2,069.16 km) |
| Catalina Foothills to Ottawa (Illinois) | 1,365.35 mi (2,197.31 km) |
| Catalina Foothills to Ottawa (Kansas) | 979.04 mi (1,575.61 km) |
| Catalina Foothills to Ottumwa (Iowa) | 1,183.78 mi (1,905.11 km) |
| Catalina Foothills to Overland (Missouri) | 1,232.21 mi (1,983.04 km) |
| Catalina Foothills to Overland Park (Kansas) | 1,015.24 mi (1,633.88 km) |
| Catalina Foothills to Overlea (Maryland) | 1,973.00 mi (3,175.24 km) |
| Catalina Foothills to Oviedo (Florida) | 1,780.38 mi (2,865.24 km) |
| Catalina Foothills to Owasso (Oklahoma) | 901.07 mi (1,450.13 km) |
| Catalina Foothills to Owatonna (Minnesota) | 1,252.95 mi (2,016.43 km) |
| Catalina Foothills to Owensboro (Kentucky) | 1,392.11 mi (2,240.38 km) |
| Catalina Foothills to Owings Mills (Maryland) | 1,958.62 mi (3,152.09 km) |
| Catalina Foothills to Owosso (Michigan) | 1,627.40 mi (2,619.04 km) |
