| Downers Grove to Ratingen | 4,233.81 mi (6,813.66 km) |
| Downers Grove to Ratzeburg | 4,282.08 mi (6,891.35 km) |
| Downers Grove to Raubling | 4,565.09 mi (7,346.81 km) |
| Downers Grove to Rauenberg | 4,379.04 mi (7,047.38 km) |
| Downers Grove to Raunheim | 4,340.79 mi (6,985.82 km) |
| Downers Grove to Ravensburg | 4,471.52 mi (7,196.22 km) |
| Downers Grove to Recke | 4,225.92 mi (6,800.97 km) |
| Downers Grove to Recklinghausen | 4,234.71 mi (6,815.11 km) |
| Downers Grove to Regen | 4,554.32 mi (7,329.48 km) |
| Downers Grove to Regensburg | 4,513.98 mi (7,264.54 km) |
| Downers Grove to Regenstauf | 4,511.27 mi (7,260.18 km) |
| Downers Grove to Rehau | 4,461.62 mi (7,180.29 km) |
| Downers Grove to Rehburg-Loccum | 4,275.80 mi (6,881.24 km) |
| Downers Grove to Rehlingen-Siersburg | 4,299.13 mi (6,918.78 km) |
| Downers Grove to Reichelsheim | 4,366.81 mi (7,027.70 km) |
