| Elkton to Ridgeland (Mississippi) | 940.27 mi (1,513.22 km) |
| Elkton to Ridgewood (New Jersey) | 130.90 mi (210.66 km) |
| Elkton to Rifle (Colorado) | 1,692.65 mi (2,724.05 km) |
| Elkton to Rincon (Georgia) | 588.73 mi (947.46 km) |
| Elkton to Ringwood (New Jersey) | 131.77 mi (212.07 km) |
| Elkton to Río Grande (Puerto Rico) | 1,583.30 mi (2,548.08 km) |
| Elkton to Rio Grande City (Texas) | 1,608.29 mi (2,588.28 km) |
| Elkton to Rio Linda (California) | 2,418.63 mi (3,892.41 km) |
| Elkton to Rio Rancho (New Mexico) | 1,711.16 mi (2,753.84 km) |
| Elkton to Rio Rico (Arizona) | 2,040.42 mi (3,283.73 km) |
| Elkton to Ripon (California) | 2,421.47 mi (3,896.97 km) |
| Elkton to River Edge (New Jersey) | 130.95 mi (210.75 km) |
| Elkton to River Falls (Wisconsin) | 930.90 mi (1,498.14 km) |
| Elkton to River Forest (Illinois) | 647.02 mi (1,041.27 km) |
| Elkton to River Grove (Illinois) | 648.31 mi (1,043.36 km) |
