| Drogheda to Roy (Utah) | 4,545.40 mi (7,315.11 km) |
| Drogheda to Royal Kunia (Hawaii) | 6,978.55 mi (11,230.90 km) |
| Drogheda to Royal Oak (Michigan) | 3,446.95 mi (5,547.33 km) |
| Drogheda to Royal Palm Beach (Florida) | 4,103.88 mi (6,604.55 km) |
| Drogheda to Royse City (Texas) | 4,418.99 mi (7,111.69 km) |
| Drogheda to Ruskin (Florida) | 4,141.35 mi (6,664.86 km) |
| Drogheda to Russellville (Alabama) | 4,008.13 mi (6,450.47 km) |
| Drogheda to Russellville (Arkansas) | 4,179.27 mi (6,725.88 km) |
| Drogheda to Ruston (Louisiana) | 4,300.07 mi (6,920.29 km) |
| Drogheda to Rutherford (New Jersey) | 3,168.23 mi (5,098.78 km) |
| Drogheda to Rutland (Vermont) | 3,002.04 mi (4,831.32 km) |
| Drogheda to Sabana Grande (Puerto Rico) | 4,024.41 mi (6,476.67 km) |
| Drogheda to Sachse (Texas) | 4,429.17 mi (7,128.06 km) |
| Drogheda to Saco (Maine) | 2,905.20 mi (4,675.46 km) |
| Drogheda to Sacramento (California) | 4,986.67 mi (8,025.27 km) |
