| Idrija to Redon | 768.72 mi (1,237.14 km) |
| Idrija to Reims | 516.38 mi (831.04 km) |
| Idrija to Rennes | 752.18 mi (1,210.52 km) |
| Idrija to Revel | 615.09 mi (989.89 km) |
| Idrija to Reze | 743.76 mi (1,196.96 km) |
| Idrija to Riedisheim | 336.78 mi (542.00 km) |
| Idrija to Rillieux-la-Pape | 438.80 mi (706.18 km) |
| Idrija to Riom | 524.01 mi (843.32 km) |
| Idrija to Riorges | 478.83 mi (770.60 km) |
| Idrija to Ris-Orangis | 573.12 mi (922.34 km) |
| Idrija to Rive-de-Gier | 454.49 mi (731.43 km) |
| Idrija to Rivesaltes | 593.67 mi (955.42 km) |
| Idrija to Rixheim | 335.14 mi (539.35 km) |
| Idrija to Roanne | 477.50 mi (768.46 km) |
| Idrija to Roche-la-Moliere | 469.47 mi (755.54 km) |
