| Havre de Grace to Reichenbach/Vogtland | 4,119.62 mi (6,629.89 km) |
| Havre de Grace to Reinbek | 3,955.55 mi (6,365.84 km) |
| Havre de Grace to Reinfeld | 3,955.31 mi (6,365.46 km) |
| Havre de Grace to Reinheim | 4,005.42 mi (6,446.09 km) |
| Havre de Grace to Reiskirchen | 3,983.09 mi (6,410.17 km) |
| Havre de Grace to Rellingen | 3,935.42 mi (6,333.44 km) |
| Havre de Grace to Remagen | 3,919.53 mi (6,307.88 km) |
| Havre de Grace to Remscheid | 3,901.68 mi (6,279.15 km) |
| Havre de Grace to Rendsburg | 3,912.13 mi (6,295.97 km) |
| Havre de Grace to Renningen | 4,041.05 mi (6,503.44 km) |
| Havre de Grace to Reutlingen | 4,061.16 mi (6,535.81 km) |
| Havre de Grace to Rhaude | 3,862.34 mi (6,215.84 km) |
| Havre de Grace to Rheda-Wiedenbruck | 3,927.03 mi (6,319.94 km) |
| Havre de Grace to Rhede | 3,864.42 mi (6,219.18 km) |
| Havre de Grace to Rheinau | 4,002.80 mi (6,441.88 km) |
