| Eldersburg to Romeoville (Illinois) | 604.89 mi (973.48 km) |
| Eldersburg to Romulus (Michigan) | 387.68 mi (623.91 km) |
| Eldersburg to Ronkonkoma (New York) | 224.21 mi (360.83 km) |
| Eldersburg to Roosevelt (New York) | 198.80 mi (319.93 km) |
| Eldersburg to Rosamond (California) | 2,274.47 mi (3,660.40 km) |
| Eldersburg to Rosaryville (Maryland) | 44.52 mi (71.65 km) |
| Eldersburg to Roscoe (Illinois) | 662.47 mi (1,066.15 km) |
| Eldersburg to Rose Hill (Virginia) | 43.43 mi (69.90 km) |
| Eldersburg to Roseburg (Oregon) | 2,391.41 mi (3,848.60 km) |
| Eldersburg to Rosedale (California) | 2,314.68 mi (3,725.11 km) |
| Eldersburg to Rosedale (Maryland) | 24.34 mi (39.16 km) |
| Eldersburg to Roselle (Illinois) | 609.29 mi (980.56 km) |
| Eldersburg to Roselle (New Jersey) | 166.54 mi (268.03 km) |
| Eldersburg to Roselle Park (New Jersey) | 166.68 mi (268.25 km) |
| Eldersburg to Rosemead (California) | 2,287.02 mi (3,680.60 km) |
