| Havre de Grace to Ratingen | 3,884.59 mi (6,251.65 km) |
| Havre de Grace to Ratzeburg | 3,969.00 mi (6,387.49 km) |
| Havre de Grace to Raubling | 4,201.60 mi (6,761.83 km) |
| Havre de Grace to Rauenberg | 4,016.68 mi (6,464.22 km) |
| Havre de Grace to Raunheim | 3,984.53 mi (6,412.48 km) |
| Havre de Grace to Ravensburg | 4,098.92 mi (6,596.58 km) |
| Havre de Grace to Recke | 3,889.98 mi (6,260.32 km) |
| Havre de Grace to Recklinghausen | 3,889.27 mi (6,259.18 km) |
| Havre de Grace to Regen | 4,205.02 mi (6,767.33 km) |
| Havre de Grace to Regensburg | 4,161.27 mi (6,696.92 km) |
| Havre de Grace to Regenstauf | 4,159.69 mi (6,694.37 km) |
| Havre de Grace to Rehau | 4,119.86 mi (6,630.28 km) |
| Havre de Grace to Rehburg-Loccum | 3,945.40 mi (6,349.51 km) |
| Havre de Grace to Rehlingen-Siersburg | 3,930.89 mi (6,326.16 km) |
| Havre de Grace to Reichelsheim | 4,009.05 mi (6,451.95 km) |
