| Twin Falls to Olympia (Washington) | 515.92 mi (830.30 km) |
| Twin Falls to Olympia Heights (Florida) | 2,249.28 mi (3,619.86 km) |
| Twin Falls to Omaha (Nebraska) | 948.86 mi (1,527.05 km) |
| Twin Falls to On Top of the World Designated Place (Florida) | 2,011.10 mi (3,236.55 km) |
| Twin Falls to Onalaska (Wisconsin) | 1,170.40 mi (1,883.58 km) |
| Twin Falls to Oneida (New York) | 1,948.85 mi (3,136.37 km) |
| Twin Falls to Oneonta (New York) | 1,988.03 mi (3,199.43 km) |
| Twin Falls to Ontario (California) | 613.09 mi (986.68 km) |
| Twin Falls to Ontario (Oregon) | 161.81 mi (260.41 km) |
| Twin Falls to Opa-locka (Florida) | 2,245.53 mi (3,613.82 km) |
| Twin Falls to Opelika (Alabama) | 1,721.65 mi (2,770.73 km) |
| Twin Falls to Opelousas (Louisiana) | 1,487.64 mi (2,394.13 km) |
| Twin Falls to Orange (California) | 632.07 mi (1,017.22 km) |
| Twin Falls to Orange (Texas) | 1,430.87 mi (2,302.76 km) |
| Twin Falls to Orange City (Florida) | 2,066.77 mi (3,326.14 km) |
