| Dorridge to Robertsville (New Jersey) | 3,405.21 mi (5,480.16 km) |
| Dorridge to Robinson (Texas) | 4,741.27 mi (7,630.34 km) |
| Dorridge to Robstown (Texas) | 4,955.40 mi (7,974.95 km) |
| Dorridge to Rochester (Michigan) | 3,649.39 mi (5,873.12 km) |
| Dorridge to Rochester (Minnesota) | 3,937.66 mi (6,337.05 km) |
| Dorridge to Rochester (New Hampshire) | 3,144.52 mi (5,060.61 km) |
| Dorridge to Rochester (New York) | 3,414.07 mi (5,494.42 km) |
| Dorridge to Rochester Hills (Michigan) | 3,651.79 mi (5,876.98 km) |
| Dorridge to Rock Hill (South Carolina) | 3,928.13 mi (6,321.72 km) |
| Dorridge to Rock Island (Illinois) | 3,989.08 mi (6,419.81 km) |
| Dorridge to Rock Springs (Wyoming) | 4,637.85 mi (7,463.89 km) |
| Dorridge to Rockford (Illinois) | 3,894.80 mi (6,268.08 km) |
| Dorridge to Rockledge (Florida) | 4,243.41 mi (6,829.12 km) |
| Dorridge to Rocklin (California) | 5,168.48 mi (8,317.86 km) |
| Dorridge to Rockport (Texas) | 4,919.58 mi (7,917.30 km) |
