| Illingen to Ratzeburg | 338.25 mi (544.37 km) |
| Illingen to Raubling | 255.61 mi (411.36 km) |
| Illingen to Rauenberg | 74.73 mi (120.27 km) |
| Illingen to Raunheim | 76.54 mi (123.17 km) |
| Illingen to Ravensburg | 160.61 mi (258.47 km) |
| Illingen to Recke | 208.87 mi (336.14 km) |
| Illingen to Recklinghausen | 152.68 mi (245.71 km) |
| Illingen to Regen | 276.07 mi (444.29 km) |
| Illingen to Regensburg | 228.45 mi (367.66 km) |
| Illingen to Regenstauf | 229.55 mi (369.42 km) |
| Illingen to Rehau | 229.36 mi (369.12 km) |
| Illingen to Rehburg-Loccum | 232.22 mi (373.72 km) |
| Illingen to Rehlingen-Siersburg | 16.83 mi (27.09 km) |
| Illingen to Reichelsheim | 83.46 mi (134.31 km) |
| Illingen to Reichenbach/Vogtland | 248.26 mi (399.53 km) |
