| Idaho Falls to Federal Way (Washington) | 564.54 mi (908.54 km) |
| Idaho Falls to Felida (Washington) | 546.71 mi (879.85 km) |
| Idaho Falls to Fenton (Michigan) | 1,421.69 mi (2,287.99 km) |
| Idaho Falls to Fergus Falls (Minnesota) | 803.35 mi (1,292.87 km) |
| Idaho Falls to Ferguson (Missouri) | 1,174.21 mi (1,889.70 km) |
| Idaho Falls to Fernandina Beach (Florida) | 1,889.83 mi (3,041.39 km) |
| Idaho Falls to Ferndale (Maryland) | 1,846.26 mi (2,971.27 km) |
| Idaho Falls to Ferndale (Michigan) | 1,455.62 mi (2,342.60 km) |
| Idaho Falls to Ferndale (Washington) | 625.50 mi (1,006.64 km) |
| Idaho Falls to Fernley (Nevada) | 458.50 mi (737.89 km) |
| Idaho Falls to Ferry Pass (Florida) | 1,627.76 mi (2,619.63 km) |
| Idaho Falls to Festus (Missouri) | 1,183.40 mi (1,904.50 km) |
| Idaho Falls to Fife (Washington) | 563.10 mi (906.22 km) |
| Idaho Falls to Fillmore (California) | 728.10 mi (1,171.76 km) |
| Idaho Falls to Findlay (Ohio) | 1,454.63 mi (2,341.00 km) |
