| Thonotosassa to Oskaloosa (Iowa) | 1,086.00 mi (1,747.74 km) |
| Thonotosassa to Oswego (Illinois) | 1,001.94 mi (1,612.46 km) |
| Thonotosassa to Oswego (New York) | 1,112.07 mi (1,789.71 km) |
| Thonotosassa to Otsego (Minnesota) | 1,342.18 mi (2,160.04 km) |
| Thonotosassa to Ottawa (Illinois) | 990.88 mi (1,594.67 km) |
| Thonotosassa to Ottawa (Kansas) | 1,043.18 mi (1,678.83 km) |
| Thonotosassa to Ottumwa (Iowa) | 1,063.97 mi (1,712.29 km) |
| Thonotosassa to Overland (Missouri) | 870.17 mi (1,400.40 km) |
| Thonotosassa to Overland Park (Kansas) | 1,033.14 mi (1,662.67 km) |
| Thonotosassa to Overlea (Maryland) | 848.98 mi (1,366.29 km) |
| Thonotosassa to Oviedo (Florida) | 79.31 mi (127.64 km) |
| Thonotosassa to Owasso (Oklahoma) | 973.75 mi (1,567.10 km) |
| Thonotosassa to Owatonna (Minnesota) | 1,263.15 mi (2,032.84 km) |
| Thonotosassa to Owensboro (Kentucky) | 726.74 mi (1,169.57 km) |
| Thonotosassa to Owings Mills (Maryland) | 845.99 mi (1,361.50 km) |
