| Idaho Falls to Reichenbach/Vogtland | 5,126.83 mi (8,250.83 km) |
| Idaho Falls to Reinbek | 4,917.16 mi (7,913.40 km) |
| Idaho Falls to Reinfeld | 4,906.31 mi (7,895.94 km) |
| Idaho Falls to Reinheim | 5,071.32 mi (8,161.49 km) |
| Idaho Falls to Reiskirchen | 5,030.83 mi (8,096.34 km) |
| Idaho Falls to Rellingen | 4,898.24 mi (7,882.96 km) |
| Idaho Falls to Remagen | 4,985.66 mi (8,023.64 km) |
| Idaho Falls to Remscheid | 4,953.60 mi (7,972.05 km) |
| Idaho Falls to Rendsburg | 4,860.27 mi (7,821.85 km) |
| Idaho Falls to Renningen | 5,130.17 mi (8,256.21 km) |
| Idaho Falls to Reutlingen | 5,153.41 mi (8,293.61 km) |
| Idaho Falls to Rhaude | 4,861.57 mi (7,823.94 km) |
| Idaho Falls to Rheda-Wiedenbruck | 4,950.93 mi (7,967.75 km) |
| Idaho Falls to Rhede | 4,905.87 mi (7,895.23 km) |
| Idaho Falls to Rheinau | 5,105.68 mi (8,216.80 km) |
