| Havre de Grace to Rodgau | 4,001.99 mi (6,440.58 km) |
| Havre de Grace to Roding | 4,172.82 mi (6,715.51 km) |
| Havre de Grace to Rodinghausen | 3,922.73 mi (6,313.03 km) |
| Havre de Grace to Roetgen | 3,876.09 mi (6,237.96 km) |
| Havre de Grace to Rommerskirchen | 3,885.43 mi (6,253.00 km) |
| Havre de Grace to Ronnenberg | 3,966.35 mi (6,383.22 km) |
| Havre de Grace to Rosbach vor der Hohe | 3,986.47 mi (6,415.61 km) |
| Havre de Grace to Rosdorf | 3,999.24 mi (6,436.16 km) |
| Havre de Grace to Rosenheim | 4,200.77 mi (6,760.48 km) |
| Havre de Grace to Rosrath | 3,908.77 mi (6,290.56 km) |
| Havre de Grace to Rossdorf | 4,001.46 mi (6,439.73 km) |
| Havre de Grace to Rosstal | 4,100.99 mi (6,599.90 km) |
| Havre de Grace to Rostock | 4,009.39 mi (6,452.50 km) |
| Havre de Grace to Rotenburg an der Fulda | 4,007.10 mi (6,448.81 km) |
| Havre de Grace to Roth | 4,114.11 mi (6,621.03 km) |
