| Sun City to Oskaloosa (Iowa) | 1,197.01 mi (1,926.40 km) |
| Sun City to Oswego (Illinois) | 1,417.46 mi (2,281.17 km) |
| Sun City to Oswego (New York) | 2,031.48 mi (3,269.35 km) |
| Sun City to Otsego (Minnesota) | 1,274.95 mi (2,051.84 km) |
| Sun City to Ottawa (Illinois) | 1,387.11 mi (2,232.34 km) |
| Sun City to Ottawa (Kansas) | 1,008.57 mi (1,623.13 km) |
| Sun City to Ottumwa (Iowa) | 1,201.65 mi (1,933.86 km) |
| Sun City to Overland (Missouri) | 1,268.32 mi (2,041.17 km) |
| Sun City to Overland Park (Kansas) | 1,043.69 mi (1,679.66 km) |
| Sun City to Overlea (Maryland) | 2,012.32 mi (3,238.51 km) |
| Sun City to Oviedo (Florida) | 1,863.31 mi (2,998.70 km) |
| Sun City to Owasso (Oklahoma) | 948.49 mi (1,526.45 km) |
| Sun City to Owatonna (Minnesota) | 1,249.81 mi (2,011.38 km) |
| Sun City to Owensboro (Kentucky) | 1,436.30 mi (2,311.50 km) |
| Sun City to Owings Mills (Maryland) | 1,997.71 mi (3,215.00 km) |
