| Drogheda to Romeoville (Illinois) | 3,675.85 mi (5,915.70 km) |
| Drogheda to Romulus (Michigan) | 3,468.06 mi (5,581.30 km) |
| Drogheda to Ronkonkoma (New York) | 3,129.76 mi (5,036.87 km) |
| Drogheda to Roosevelt (New York) | 3,153.66 mi (5,075.32 km) |
| Drogheda to Rosamond (California) | 5,095.00 mi (8,199.61 km) |
| Drogheda to Rosaryville (Maryland) | 3,370.34 mi (5,424.03 km) |
| Drogheda to Roscoe (Illinois) | 3,672.66 mi (5,910.58 km) |
| Drogheda to Rose Hill (Virginia) | 3,380.66 mi (5,440.65 km) |
| Drogheda to Roseburg (Oregon) | 4,776.36 mi (7,686.81 km) |
| Drogheda to Rosedale (California) | 5,097.22 mi (8,203.19 km) |
| Drogheda to Rosedale (Maryland) | 3,331.81 mi (5,362.02 km) |
| Drogheda to Roselle (Illinois) | 3,658.92 mi (5,888.45 km) |
| Drogheda to Roselle (New Jersey) | 3,181.88 mi (5,120.74 km) |
| Drogheda to Roselle Park (New Jersey) | 3,181.58 mi (5,120.27 km) |
| Drogheda to Rosemead (California) | 5,135.85 mi (8,265.34 km) |
