| Havre de Grace to Robertsville (New Jersey) | 110.87 mi (178.43 km) |
| Havre de Grace to Robinson (Texas) | 1,303.06 mi (2,097.07 km) |
| Havre de Grace to Robstown (Texas) | 1,475.64 mi (2,374.81 km) |
| Havre de Grace to Rochester (Michigan) | 424.04 mi (682.42 km) |
| Havre de Grace to Rochester (Minnesota) | 895.92 mi (1,441.85 km) |
| Havre de Grace to Rochester (New Hampshire) | 371.30 mi (597.55 km) |
| Havre de Grace to Rochester (New York) | 261.95 mi (421.56 km) |
| Havre de Grace to Rochester Hills (Michigan) | 424.95 mi (683.89 km) |
| Havre de Grace to Rock Hill (South Carolina) | 417.25 mi (671.49 km) |
| Havre de Grace to Rock Island (Illinois) | 770.60 mi (1,240.16 km) |
| Havre de Grace to Rock Springs (Wyoming) | 1,732.60 mi (2,788.35 km) |
| Havre de Grace to Rockford (Illinois) | 700.92 mi (1,128.01 km) |
| Havre de Grace to Rockledge (Florida) | 819.42 mi (1,318.72 km) |
| Havre de Grace to Rocklin (California) | 2,392.09 mi (3,849.70 km) |
| Havre de Grace to Rockport (Texas) | 1,437.09 mi (2,312.77 km) |
