| Westbrook to Robbinsdale (Minnesota) | 1,135.03 mi (1,826.65 km) |
| Westbrook to Robertsville (New Jersey) | 307.61 mi (495.04 km) |
| Westbrook to Robinson (Texas) | 1,681.32 mi (2,705.82 km) |
| Westbrook to Robstown (Texas) | 1,870.67 mi (3,010.55 km) |
| Westbrook to Rochester (Michigan) | 646.19 mi (1,039.94 km) |
| Westbrook to Rochester (Minnesota) | 1,099.19 mi (1,768.97 km) |
| Westbrook to Rochester (New Hampshire) | 41.60 mi (66.95 km) |
| Westbrook to Rochester (New York) | 366.09 mi (589.16 km) |
| Westbrook to Rochester Hills (Michigan) | 648.29 mi (1,043.32 km) |
| Westbrook to Rock Hill (South Carolina) | 829.97 mi (1,335.70 km) |
| Westbrook to Rock Island (Illinois) | 1,037.87 mi (1,670.30 km) |
| Westbrook to Rock Springs (Wyoming) | 1,962.53 mi (3,158.38 km) |
| Westbrook to Rockford (Illinois) | 948.95 mi (1,527.18 km) |
| Westbrook to Rockledge (Florida) | 1,208.17 mi (1,944.36 km) |
| Westbrook to Rocklin (California) | 2,623.58 mi (4,222.24 km) |
