| Westmont to Mattoon (Illinois) | 1,693.53 mi (2,725.48 km) |
| Westmont to Mauldin (South Carolina) | 2,042.95 mi (3,287.81 km) |
| Westmont to Maumee (Ohio) | 1,949.78 mi (3,137.87 km) |
| Westmont to Maumelle (Arkansas) | 1,473.95 mi (2,372.09 km) |
| Westmont to Mayagüez (Puerto Rico) | 3,319.15 mi (5,341.66 km) |
| Westmont to Mayfield Heights (Ohio) | 2,063.66 mi (3,321.14 km) |
| Westmont to Mays Chapel (Maryland) | 2,317.84 mi (3,730.20 km) |
| Westmont to Maywood (California) | 7.30 mi (11.74 km) |
| Westmont to Maywood (Illinois) | 1,737.86 mi (2,796.82 km) |
| Westmont to McAlester (Oklahoma) | 1,282.92 mi (2,064.65 km) |
| Westmont to McAllen (Texas) | 1,309.13 mi (2,106.83 km) |
| Westmont to McCalla (Alabama) | 1,792.74 mi (2,885.13 km) |
| Westmont to McComb (Mississippi) | 1,625.75 mi (2,616.39 km) |
| Westmont to McDonough (Georgia) | 1,954.45 mi (3,145.39 km) |
| Westmont to McFarland (California) | 131.28 mi (211.27 km) |
