| Idrija to Kenosha (Wisconsin) | 4,669.72 mi (7,515.20 km) |
| Idrija to Kent (Ohio) | 4,483.98 mi (7,216.26 km) |
| Idrija to Kent (Washington) | 5,462.54 mi (8,791.12 km) |
| Idrija to Kentwood (Michigan) | 4,569.85 mi (7,354.47 km) |
| Idrija to Kerman (California) | 6,048.99 mi (9,734.91 km) |
| Idrija to Kernersville (North Carolina) | 4,659.54 mi (7,498.80 km) |
| Idrija to Kerrville (Texas) | 5,727.75 mi (9,217.93 km) |
| Idrija to Kettering (Maryland) | 4,397.47 mi (7,077.05 km) |
| Idrija to Kettering (Ohio) | 4,660.52 mi (7,500.38 km) |
| Idrija to Kewanee (Illinois) | 4,810.20 mi (7,741.27 km) |
| Idrija to Key Biscayne (Florida) | 5,152.16 mi (8,291.60 km) |
| Idrija to Key Largo (Florida) | 5,190.56 mi (8,353.40 km) |
| Idrija to Key West (Florida) | 5,278.68 mi (8,495.22 km) |
| Idrija to Keystone (Florida) | 5,142.35 mi (8,275.82 km) |
| Idrija to Kihei (Hawaii) | 7,785.07 mi (12,528.86 km) |
