| Drogheda to Rosemont (California) | 4,984.36 mi (8,021.56 km) |
| Drogheda to Rosemount (Minnesota) | 3,712.56 mi (5,974.78 km) |
| Drogheda to Rosenberg (Texas) | 4,579.55 mi (7,370.07 km) |
| Drogheda to Roseville (California) | 4,970.58 mi (7,999.38 km) |
| Drogheda to Roseville (Michigan) | 3,438.66 mi (5,533.99 km) |
| Drogheda to Roseville (Minnesota) | 3,703.10 mi (5,959.57 km) |
| Drogheda to Rossmoor (California) | 5,151.68 mi (8,290.82 km) |
| Drogheda to Rossville (Maryland) | 3,329.13 mi (5,357.72 km) |
| Drogheda to Roswell (Georgia) | 3,897.86 mi (6,273.00 km) |
| Drogheda to Roswell (New Mexico) | 4,704.67 mi (7,571.44 km) |
| Drogheda to Round Lake (Illinois) | 3,642.67 mi (5,862.31 km) |
| Drogheda to Round Lake Beach (Illinois) | 3,640.07 mi (5,858.13 km) |
| Drogheda to Round Rock (Texas) | 4,598.90 mi (7,401.22 km) |
| Drogheda to Rowland Heights (California) | 5,135.11 mi (8,264.16 km) |
| Drogheda to Rowlett (Texas) | 4,430.98 mi (7,130.98 km) |
