| Dartford to Romeoville (Illinois) | 3,992.33 mi (6,425.03 km) |
| Dartford to Romulus (Michigan) | 3,783.27 mi (6,088.58 km) |
| Dartford to Ronkonkoma (New York) | 3,436.90 mi (5,531.15 km) |
| Dartford to Roosevelt (New York) | 3,461.03 mi (5,569.98 km) |
| Dartford to Rosamond (California) | 5,407.22 mi (8,702.07 km) |
| Dartford to Rosaryville (Maryland) | 3,678.00 mi (5,919.17 km) |
| Dartford to Roscoe (Illinois) | 3,989.60 mi (6,420.65 km) |
| Dartford to Rose Hill (Virginia) | 3,688.61 mi (5,936.24 km) |
| Dartford to Roseburg (Oregon) | 5,077.02 mi (8,170.67 km) |
| Dartford to Rosedale (California) | 5,408.40 mi (8,703.98 km) |
| Dartford to Rosedale (Maryland) | 3,639.92 mi (5,857.89 km) |
| Dartford to Roselle (Illinois) | 3,975.52 mi (6,397.98 km) |
| Dartford to Roselle (New Jersey) | 3,489.81 mi (5,616.31 km) |
| Dartford to Roselle Park (New Jersey) | 3,489.54 mi (5,615.87 km) |
| Dartford to Rosemead (California) | 5,448.60 mi (8,768.68 km) |
