| Grottammare to Ratingen | 661.41 mi (1,064.43 km) |
| Grottammare to Ratzeburg | 753.52 mi (1,212.68 km) |
| Grottammare to Raubling | 342.35 mi (550.96 km) |
| Grottammare to Rauenberg | 498.98 mi (803.03 km) |
| Grottammare to Raunheim | 549.25 mi (883.94 km) |
| Grottammare to Ravensburg | 390.12 mi (627.85 km) |
| Grottammare to Recke | 707.76 mi (1,139.04 km) |
| Grottammare to Recklinghausen | 671.20 mi (1,080.19 km) |
| Grottammare to Regen | 414.46 mi (667.01 km) |
| Grottammare to Regensburg | 425.09 mi (684.11 km) |
| Grottammare to Regenstauf | 431.89 mi (695.06 km) |
| Grottammare to Rehau | 509.21 mi (819.50 km) |
| Grottammare to Rehburg-Loccum | 688.25 mi (1,107.64 km) |
| Grottammare to Rehlingen-Siersburg | 558.46 mi (898.75 km) |
| Grottammare to Reichelsheim | 522.56 mi (840.98 km) |
