| Idrija to Friendswood (Texas) | 5,601.11 mi (9,014.12 km) |
| Idrija to Frisco (Texas) | 5,475.88 mi (8,812.57 km) |
| Idrija to Front Royal (Virginia) | 4,453.76 mi (7,167.63 km) |
| Idrija to Fruit Cove (Florida) | 5,005.44 mi (8,055.48 km) |
| Idrija to Fruita (Colorado) | 5,571.16 mi (8,965.92 km) |
| Idrija to Fruitville (Florida) | 5,174.83 mi (8,328.09 km) |
| Idrija to Fuller Heights (Florida) | 5,126.06 mi (8,249.59 km) |
| Idrija to Fullerton (California) | 6,156.90 mi (9,908.57 km) |
| Idrija to Fullerton (Pennsylvania) | 4,268.21 mi (6,869.02 km) |
| Idrija to Fulshear (Texas) | 5,618.84 mi (9,042.65 km) |
| Idrija to Fulton (Missouri) | 5,002.26 mi (8,050.35 km) |
| Idrija to Fulton (New York) | 4,193.00 mi (6,747.98 km) |
| Idrija to Fuquay-Varina (North Carolina) | 4,627.80 mi (7,447.72 km) |
| Idrija to Gadsden (Alabama) | 5,004.14 mi (8,053.39 km) |
| Idrija to Gaffney (South Carolina) | 4,772.87 mi (7,681.19 km) |
