| Elkton to Robertsville (New Jersey) | 95.40 mi (153.53 km) |
| Elkton to Robinson (Texas) | 1,319.17 mi (2,123.00 km) |
| Elkton to Robstown (Texas) | 1,491.43 mi (2,400.23 km) |
| Elkton to Rochester (Michigan) | 435.09 mi (700.21 km) |
| Elkton to Rochester (Minnesota) | 908.35 mi (1,461.84 km) |
| Elkton to Rochester (New Hampshire) | 357.60 mi (575.50 km) |
| Elkton to Rochester (New York) | 263.06 mi (423.36 km) |
| Elkton to Rochester Hills (Michigan) | 436.06 mi (701.77 km) |
| Elkton to Rock Hill (South Carolina) | 430.80 mi (693.31 km) |
| Elkton to Rock Island (Illinois) | 784.74 mi (1,262.92 km) |
| Elkton to Rock Springs (Wyoming) | 1,746.60 mi (2,810.87 km) |
| Elkton to Rockford (Illinois) | 714.32 mi (1,149.59 km) |
| Elkton to Rockledge (Florida) | 828.74 mi (1,333.73 km) |
| Elkton to Rocklin (California) | 2,406.35 mi (3,872.64 km) |
| Elkton to Rockport (Texas) | 1,452.86 mi (2,338.15 km) |
