| Illertissen to Ratzeburg | 379.96 mi (611.49 km) |
| Illertissen to Raubling | 98.03 mi (157.76 km) |
| Illertissen to Rauenberg | 96.05 mi (154.58 km) |
| Illertissen to Raunheim | 144.64 mi (232.78 km) |
| Illertissen to Ravensburg | 37.06 mi (59.64 km) |
| Illertissen to Recke | 305.31 mi (491.35 km) |
| Illertissen to Recklinghausen | 266.53 mi (428.94 km) |
| Illertissen to Regen | 148.69 mi (239.30 km) |
| Illertissen to Regensburg | 106.77 mi (171.83 km) |
| Illertissen to Regenstauf | 112.39 mi (180.88 km) |
| Illertissen to Rehau | 165.35 mi (266.11 km) |
| Illertissen to Rehburg-Loccum | 295.08 mi (474.88 km) |
| Illertissen to Rehlingen-Siersburg | 174.19 mi (280.34 km) |
| Illertissen to Reichelsheim | 117.89 mi (189.72 km) |
| Illertissen to Reichenbach/Vogtland | 193.44 mi (311.30 km) |