| Westbrook to Maryland Heights (Missouri) | 1,097.72 mi (1,766.61 km) |
| Westbrook to Marysville (California) | 2,630.28 mi (4,233.03 km) |
| Westbrook to Marysville (Ohio) | 708.91 mi (1,140.88 km) |
| Westbrook to Marysville (Washington) | 2,462.21 mi (3,962.55 km) |
| Westbrook to Maryville (Missouri) | 1,274.71 mi (2,051.44 km) |
| Westbrook to Maryville (Tennessee) | 906.82 mi (1,459.39 km) |
| Westbrook to Mason (Ohio) | 780.03 mi (1,255.34 km) |
| Westbrook to Mason City (Iowa) | 1,143.47 mi (1,840.23 km) |
| Westbrook to Massapequa (New York) | 263.07 mi (423.37 km) |
| Westbrook to Massapequa Park (New York) | 261.63 mi (421.06 km) |
| Westbrook to Massillon (Ohio) | 605.24 mi (974.04 km) |
| Westbrook to Mastic (New York) | 236.67 mi (380.88 km) |
| Westbrook to Mastic Beach (New York) | 238.91 mi (384.49 km) |
| Westbrook to Matteson (Illinois) | 895.63 mi (1,441.38 km) |
| Westbrook to Matthews (North Carolina) | 809.13 mi (1,302.17 km) |
