| Twin Falls to Oskaloosa (Iowa) | 1,122.01 mi (1,805.69 km) |
| Twin Falls to Oswego (Illinois) | 1,334.83 mi (2,148.21 km) |
| Twin Falls to Oswego (New York) | 1,902.22 mi (3,061.33 km) |
| Twin Falls to Otsego (Minnesota) | 1,050.90 mi (1,691.25 km) |
| Twin Falls to Ottawa (Illinois) | 1,314.71 mi (2,115.83 km) |
| Twin Falls to Ottawa (Kansas) | 1,041.42 mi (1,676.00 km) |
| Twin Falls to Ottumwa (Iowa) | 1,137.27 mi (1,830.27 km) |
| Twin Falls to Overland (Missouri) | 1,286.63 mi (2,070.63 km) |
| Twin Falls to Overland Park (Kansas) | 1,063.44 mi (1,711.45 km) |
| Twin Falls to Overlea (Maryland) | 1,975.33 mi (3,178.98 km) |
| Twin Falls to Oviedo (Florida) | 2,083.01 mi (3,352.28 km) |
| Twin Falls to Owasso (Oklahoma) | 1,081.76 mi (1,740.92 km) |
| Twin Falls to Owatonna (Minnesota) | 1,069.26 mi (1,720.80 km) |
| Twin Falls to Owensboro (Kentucky) | 1,474.65 mi (2,373.22 km) |
| Twin Falls to Owings Mills (Maryland) | 1,960.43 mi (3,155.01 km) |
