| Busto Arsizio to Ratingen | 403.52 mi (649.41 km) |
| Busto Arsizio to Ratzeburg | 565.18 mi (909.58 km) |
| Busto Arsizio to Raubling | 215.29 mi (346.47 km) |
| Busto Arsizio to Rauenberg | 252.69 mi (406.66 km) |
| Busto Arsizio to Raunheim | 304.90 mi (490.70 km) |
| Busto Arsizio to Ravensburg | 154.26 mi (248.26 km) |
| Busto Arsizio to Recke | 469.73 mi (755.96 km) |
| Busto Arsizio to Recklinghausen | 419.82 mi (675.64 km) |
| Busto Arsizio to Regen | 306.47 mi (493.22 km) |
| Busto Arsizio to Regensburg | 279.68 mi (450.10 km) |
| Busto Arsizio to Regenstauf | 286.95 mi (461.80 km) |
| Busto Arsizio to Rehau | 352.28 mi (566.94 km) |
| Busto Arsizio to Rehburg-Loccum | 472.79 mi (760.88 km) |
| Busto Arsizio to Rehlingen-Siersburg | 278.65 mi (448.44 km) |
| Busto Arsizio to Reichelsheim | 283.48 mi (456.22 km) |
