| Havre de Grace to Rheinbach | 3,906.74 mi (6,287.30 km) |
| Havre de Grace to Rheinberg | 3,868.08 mi (6,225.07 km) |
| Havre de Grace to Rheine | 3,881.18 mi (6,246.16 km) |
| Havre de Grace to Rheinfelden (Baden) | 4,029.70 mi (6,485.17 km) |
| Havre de Grace to Ribnitz-Damgarten | 4,016.82 mi (6,464.44 km) |
| Havre de Grace to Richterich | 3,866.28 mi (6,222.18 km) |
| Havre de Grace to Riedlingen | 4,081.72 mi (6,568.89 km) |
| Havre de Grace to Riegelsberg | 3,943.63 mi (6,346.66 km) |
| Havre de Grace to Rielasingen-Worblingen | 4,068.32 mi (6,547.33 km) |
| Havre de Grace to Riesa | 4,136.67 mi (6,657.33 km) |
| Havre de Grace to Rietberg | 3,933.40 mi (6,330.19 km) |
| Havre de Grace to Rinteln | 3,947.77 mi (6,353.32 km) |
| Havre de Grace to Ritterhude | 3,908.00 mi (6,289.31 km) |
| Havre de Grace to Rodenbach | 4,004.13 mi (6,444.03 km) |
| Havre de Grace to Rodental | 4,081.27 mi (6,568.16 km) |
