| Idaho Falls to Ratingen | 4,937.48 mi (7,946.11 km) |
| Idaho Falls to Ratzeburg | 4,920.37 mi (7,918.57 km) |
| Idaho Falls to Raubling | 5,274.67 mi (8,488.75 km) |
| Idaho Falls to Rauenberg | 5,096.98 mi (8,202.79 km) |
| Idaho Falls to Raunheim | 5,050.33 mi (8,127.72 km) |
| Idaho Falls to Ravensburg | 5,202.21 mi (8,372.14 km) |
| Idaho Falls to Recke | 4,907.25 mi (7,897.46 km) |
| Idaho Falls to Recklinghausen | 4,931.84 mi (7,937.03 km) |
| Idaho Falls to Regen | 5,239.47 mi (8,432.11 km) |
| Idaho Falls to Regensburg | 5,207.41 mi (8,380.52 km) |
| Idaho Falls to Regenstauf | 5,202.88 mi (8,373.23 km) |
| Idaho Falls to Rehau | 5,138.86 mi (8,270.20 km) |
| Idaho Falls to Rehburg-Loccum | 4,944.48 mi (7,957.36 km) |
| Idaho Falls to Rehlingen-Siersburg | 5,031.74 mi (8,097.80 km) |
| Idaho Falls to Reichelsheim | 5,077.45 mi (8,171.37 km) |
