| Westbrook to Morris (Illinois) | 932.23 mi (1,500.28 km) |
| Westbrook to Morristown (New Jersey) | 290.77 mi (467.95 km) |
| Westbrook to Morristown (Tennessee) | 857.44 mi (1,379.92 km) |
| Westbrook to Morrisville (North Carolina) | 704.67 mi (1,134.06 km) |
| Westbrook to Morro Bay (California) | 2,708.50 mi (4,358.90 km) |
| Westbrook to Morton (Illinois) | 999.48 mi (1,608.51 km) |
| Westbrook to Morton Grove (Illinois) | 888.58 mi (1,430.03 km) |
| Westbrook to Moscow (Idaho) | 2,246.63 mi (3,615.59 km) |
| Westbrook to Moses Lake (Washington) | 2,345.75 mi (3,775.13 km) |
| Westbrook to Moss Bluff (Louisiana) | 1,555.23 mi (2,502.90 km) |
| Westbrook to Moss Point (Mississippi) | 1,352.68 mi (2,176.93 km) |
| Westbrook to Moultrie (Georgia) | 1,133.71 mi (1,824.53 km) |
| Westbrook to Mounds View (Minnesota) | 1,128.58 mi (1,816.27 km) |
| Westbrook to Mount Airy (North Carolina) | 734.28 mi (1,181.71 km) |
| Westbrook to Mount Clemens (Michigan) | 635.48 mi (1,022.70 km) |
