| Idrija to Chaudfontaine | 498.54 mi (802.33 km) |
| Idrija to Chaumont-Gistoux | 536.29 mi (863.07 km) |
| Idrija to Chimay | 528.11 mi (849.91 km) |
| Idrija to Ciney | 506.91 mi (815.79 km) |
| Idrija to Colfontaine | 557.95 mi (897.94 km) |
| Idrija to Courcelles | 539.79 mi (868.71 km) |
| Idrija to Court-Saint-Etienne | 539.07 mi (867.55 km) |
| Idrija to Couvin | 521.62 mi (839.46 km) |
| Idrija to Damme | 609.09 mi (980.24 km) |
| Idrija to De Haan | 619.09 mi (996.34 km) |
| Idrija to De Panne | 629.53 mi (1,013.13 km) |
| Idrija to De Pinte | 586.44 mi (943.78 km) |
| Idrija to Deerlijk | 592.25 mi (953.13 km) |
| Idrija to Deinze | 590.14 mi (949.74 km) |
| Idrija to Denderleeuw | 566.19 mi (911.19 km) |
