| Eldersburg to Rockville (Maryland) | 24.67 mi (39.70 km) |
| Eldersburg to Rockville Centre (New York) | 195.75 mi (315.03 km) |
| Eldersburg to Rockwall (Texas) | 1,172.61 mi (1,887.14 km) |
| Eldersburg to Rocky Mount (North Carolina) | 241.89 mi (389.29 km) |
| Eldersburg to Rocky Point (New York) | 236.96 mi (381.35 km) |
| Eldersburg to Rocky River (Ohio) | 294.50 mi (473.95 km) |
| Eldersburg to Roessleville (New York) | 280.68 mi (451.71 km) |
| Eldersburg to Rogers (Arkansas) | 960.60 mi (1,545.93 km) |
| Eldersburg to Rogers (Minnesota) | 936.56 mi (1,507.25 km) |
| Eldersburg to Rohnert Park (California) | 2,434.84 mi (3,918.50 km) |
| Eldersburg to Rolla (Missouri) | 804.16 mi (1,294.17 km) |
| Eldersburg to Rolling Meadows (Illinois) | 607.78 mi (978.13 km) |
| Eldersburg to Roma (Texas) | 1,555.54 mi (2,503.40 km) |
| Eldersburg to Rome (Georgia) | 576.91 mi (928.45 km) |
| Eldersburg to Rome (New York) | 274.74 mi (442.15 km) |
