| Eldersburg to Robertsville (New Jersey) | 155.09 mi (249.60 km) |
| Eldersburg to Robinson (Texas) | 1,257.58 mi (2,023.88 km) |
| Eldersburg to Robstown (Texas) | 1,431.35 mi (2,303.54 km) |
| Eldersburg to Rochester (Michigan) | 393.16 mi (632.73 km) |
| Eldersburg to Rochester (Minnesota) | 860.15 mi (1,384.28 km) |
| Eldersburg to Rochester (New Hampshire) | 410.21 mi (660.16 km) |
| Eldersburg to Rochester (New York) | 262.33 mi (422.18 km) |
| Eldersburg to Rochester Hills (Michigan) | 393.88 mi (633.89 km) |
| Eldersburg to Rock Hill (South Carolina) | 381.10 mi (613.32 km) |
| Eldersburg to Rock Island (Illinois) | 730.03 mi (1,174.86 km) |
| Eldersburg to Rock Springs (Wyoming) | 1,692.19 mi (2,723.32 km) |
| Eldersburg to Rockford (Illinois) | 662.49 mi (1,066.18 km) |
| Eldersburg to Rockledge (Florida) | 795.76 mi (1,280.65 km) |
| Eldersburg to Rocklin (California) | 2,350.95 mi (3,783.48 km) |
| Eldersburg to Rockport (Texas) | 1,392.89 mi (2,241.65 km) |
