| Elkton to Rockville (Maryland) | 79.94 mi (128.65 km) |
| Elkton to Rockville Centre (New York) | 136.50 mi (219.67 km) |
| Elkton to Rockwall (Texas) | 1,234.48 mi (1,986.70 km) |
| Elkton to Rocky Mount (North Carolina) | 273.68 mi (440.44 km) |
| Elkton to Rocky Point (New York) | 177.63 mi (285.86 km) |
| Elkton to Rocky River (Ohio) | 341.79 mi (550.05 km) |
| Elkton to Roessleville (New York) | 238.06 mi (383.13 km) |
| Elkton to Rogers (Arkansas) | 1,022.22 mi (1,645.10 km) |
| Elkton to Rogers (Minnesota) | 982.01 mi (1,580.38 km) |
| Elkton to Rohnert Park (California) | 2,490.35 mi (4,007.83 km) |
| Elkton to Rolla (Missouri) | 865.06 mi (1,392.18 km) |
| Elkton to Rolling Meadows (Illinois) | 659.68 mi (1,061.65 km) |
| Elkton to Roma (Texas) | 1,615.40 mi (2,599.74 km) |
| Elkton to Rome (Georgia) | 634.77 mi (1,021.56 km) |
| Elkton to Rome (New York) | 250.66 mi (403.40 km) |
