| Dartford to Robertsville (New Jersey) | 3,504.82 mi (5,640.46 km) |
| Dartford to Robinson (Texas) | 4,844.82 mi (7,796.98 km) |
| Dartford to Robstown (Texas) | 5,058.03 mi (8,140.12 km) |
| Dartford to Rochester (Michigan) | 3,752.95 mi (6,039.79 km) |
| Dartford to Rochester (Minnesota) | 4,043.15 mi (6,506.82 km) |
| Dartford to Rochester (New Hampshire) | 3,244.80 mi (5,222.00 km) |
| Dartford to Rochester (New York) | 3,516.42 mi (5,659.12 km) |
| Dartford to Rochester Hills (Michigan) | 3,755.35 mi (6,043.65 km) |
| Dartford to Rock Hill (South Carolina) | 4,027.36 mi (6,481.41 km) |
| Dartford to Rock Island (Illinois) | 4,093.80 mi (6,588.33 km) |
| Dartford to Rock Springs (Wyoming) | 4,743.74 mi (7,634.31 km) |
| Dartford to Rockford (Illinois) | 3,999.45 mi (6,436.50 km) |
| Dartford to Rockledge (Florida) | 4,338.53 mi (6,982.20 km) |
| Dartford to Rocklin (California) | 5,273.26 mi (8,486.49 km) |
| Dartford to Rockport (Texas) | 5,022.08 mi (8,082.26 km) |
