| Idrija to Felida (Washington) | 5,575.18 mi (8,972.38 km) |
| Idrija to Fenton (Michigan) | 4,502.03 mi (7,245.32 km) |
| Idrija to Fergus Falls (Minnesota) | 4,781.88 mi (7,695.69 km) |
| Idrija to Ferguson (Missouri) | 4,944.59 mi (7,957.55 km) |
| Idrija to Fernandina Beach (Florida) | 4,971.64 mi (8,001.08 km) |
| Idrija to Ferndale (Maryland) | 4,378.00 mi (7,045.70 km) |
| Idrija to Ferndale (Michigan) | 4,494.82 mi (7,233.72 km) |
| Idrija to Ferndale (Washington) | 5,382.78 mi (8,662.75 km) |
| Idrija to Fernley (Nevada) | 5,855.75 mi (9,423.91 km) |
| Idrija to Ferry Pass (Florida) | 5,222.49 mi (8,404.79 km) |
| Idrija to Festus (Missouri) | 4,974.81 mi (8,006.18 km) |
| Idrija to Fife (Washington) | 5,475.12 mi (8,811.35 km) |
| Idrija to Fillmore (California) | 6,155.36 mi (9,906.10 km) |
| Idrija to Findlay (Ohio) | 4,578.43 mi (7,368.27 km) |
| Idrija to Finneytown (Ohio) | 4,697.17 mi (7,559.37 km) |
