| Havre de Grace to Rosemont (California) | 2,402.57 mi (3,866.56 km) |
| Havre de Grace to Rosemount (Minnesota) | 937.46 mi (1,508.69 km) |
| Havre de Grace to Rosenberg (Texas) | 1,312.91 mi (2,112.92 km) |
| Havre de Grace to Roseville (California) | 2,396.46 mi (3,856.73 km) |
| Havre de Grace to Roseville (Michigan) | 410.01 mi (659.84 km) |
| Havre de Grace to Roseville (Minnesota) | 947.05 mi (1,524.12 km) |
| Havre de Grace to Rossmoor (California) | 2,338.06 mi (3,762.75 km) |
| Havre de Grace to Rossville (Maryland) | 23.39 mi (37.64 km) |
| Havre de Grace to Roswell (Georgia) | 593.31 mi (954.84 km) |
| Havre de Grace to Roswell (New Mexico) | 1,628.06 mi (2,620.11 km) |
| Havre de Grace to Round Lake (Illinois) | 654.27 mi (1,052.95 km) |
| Havre de Grace to Round Lake Beach (Illinois) | 653.60 mi (1,051.87 km) |
| Havre de Grace to Round Rock (Texas) | 1,364.28 mi (2,195.60 km) |
| Havre de Grace to Rowland Heights (California) | 2,323.27 mi (3,738.94 km) |
| Havre de Grace to Rowlett (Texas) | 1,224.09 mi (1,969.98 km) |
