| Idrija to Florence (South Carolina) | 4,735.62 mi (7,621.25 km) |
| Idrija to Florence-Graham (California) | 6,161.28 mi (9,915.62 km) |
| Idrija to Florham Park (New Jersey) | 4,216.94 mi (6,786.51 km) |
| Idrija to Florida (Puerto Rico) | 4,868.40 mi (7,834.93 km) |
| Idrija to Florida City (Florida) | 5,177.71 mi (8,332.71 km) |
| Idrija to Florida Ridge (Florida) | 5,071.41 mi (8,161.65 km) |
| Idrija to Florin (California) | 5,979.62 mi (9,623.27 km) |
| Idrija to Florissant (Missouri) | 4,943.34 mi (7,955.54 km) |
| Idrija to Flower Hill (Maryland) | 4,401.66 mi (7,083.79 km) |
| Idrija to Flower Mound (Texas) | 5,493.38 mi (8,840.75 km) |
| Idrija to Flowing Wells (Arizona) | 6,031.42 mi (9,706.64 km) |
| Idrija to Foley (Alabama) | 5,248.38 mi (8,446.45 km) |
| Idrija to Folsom (California) | 5,961.63 mi (9,594.32 km) |
| Idrija to Fond du Lac (Wisconsin) | 4,635.11 mi (7,459.49 km) |
| Idrija to Fontana (California) | 6,130.43 mi (9,865.97 km) |
