| Boise to Ratingen | 5,049.21 mi (8,125.91 km) |
| Boise to Ratzeburg | 5,020.92 mi (8,080.39 km) |
| Boise to Raubling | 5,384.90 mi (8,666.16 km) |
| Boise to Rauenberg | 5,209.98 mi (8,384.66 km) |
| Boise to Raunheim | 5,162.22 mi (8,307.78 km) |
| Boise to Ravensburg | 5,316.68 mi (8,556.37 km) |
| Boise to Recke | 5,015.35 mi (8,071.42 km) |
| Boise to Recklinghausen | 5,042.47 mi (8,115.07 km) |
| Boise to Regen | 5,345.66 mi (8,603.01 km) |
| Boise to Regensburg | 5,315.30 mi (8,554.16 km) |
| Boise to Regenstauf | 5,310.49 mi (8,546.41 km) |
| Boise to Rehau | 5,244.44 mi (8,440.11 km) |
| Boise to Rehburg-Loccum | 5,050.09 mi (8,127.33 km) |
| Boise to Rehlingen-Siersburg | 5,147.78 mi (8,284.56 km) |
| Boise to Reichelsheim | 5,189.33 mi (8,351.42 km) |
