| Idrija to River Ridge (Louisiana) | 5,376.26 mi (8,652.25 km) |
| Idrija to Riverbank (California) | 6,012.94 mi (9,676.88 km) |
| Idrija to Riverdale (Georgia) | 4,959.03 mi (7,980.79 km) |
| Idrija to Riverdale (Illinois) | 4,704.87 mi (7,571.76 km) |
| Idrija to Riverside (California) | 6,137.85 mi (9,877.92 km) |
| Idrija to Riverside (Ohio) | 4,655.38 mi (7,492.10 km) |
| Idrija to Riverton (Utah) | 5,594.12 mi (9,002.87 km) |
| Idrija to Riverton (Wyoming) | 5,345.73 mi (8,603.12 km) |
| Idrija to Riverview (Florida) | 5,144.21 mi (8,278.81 km) |
| Idrija to Riverview (Michigan) | 4,510.17 mi (7,258.42 km) |
| Idrija to Riviera Beach (Florida) | 5,095.82 mi (8,200.92 km) |
| Idrija to Riviera Beach (Maryland) | 4,374.59 mi (7,040.23 km) |
| Idrija to Roanoke (Virginia) | 4,600.97 mi (7,404.54 km) |
| Idrija to Roanoke Rapids (North Carolina) | 4,541.68 mi (7,309.12 km) |
| Idrija to Robbinsdale (Minnesota) | 4,750.28 mi (7,644.84 km) |
