| Westmont to Robbinsdale (Minnesota) | 1,526.80 mi (2,457.15 km) |
| Westmont to Robertsville (New Jersey) | 2,438.31 mi (3,924.08 km) |
| Westmont to Robinson (Texas) | 1,241.33 mi (1,997.73 km) |
| Westmont to Robstown (Texas) | 1,292.46 mi (2,080.02 km) |
| Westmont to Rochester (Michigan) | 1,984.38 mi (3,193.54 km) |
| Westmont to Rochester (Minnesota) | 1,542.92 mi (2,483.09 km) |
| Westmont to Rochester (New Hampshire) | 2,598.52 mi (4,181.91 km) |
| Westmont to Rochester (New York) | 2,264.44 mi (3,644.27 km) |
| Westmont to Rochester Hills (Michigan) | 1,982.37 mi (3,190.32 km) |
| Westmont to Rock Hill (South Carolina) | 2,112.89 mi (3,400.36 km) |
| Westmont to Rock Island (Illinois) | 1,593.83 mi (2,565.02 km) |
| Westmont to Rock Springs (Wyoming) | 724.14 mi (1,165.39 km) |
| Westmont to Rockford (Illinois) | 1,680.37 mi (2,704.29 km) |
| Westmont to Rockledge (Florida) | 2,242.79 mi (3,609.42 km) |
| Westmont to Rocklin (California) | 373.98 mi (601.86 km) |
