| Sedro-Woolley to Mattoon (Illinois) | 1,778.01 mi (2,861.43 km) |
| Sedro-Woolley to Mauldin (South Carolina) | 2,236.87 mi (3,599.89 km) |
| Sedro-Woolley to Maumee (Ohio) | 1,921.02 mi (3,091.58 km) |
| Sedro-Woolley to Maumelle (Arkansas) | 1,788.42 mi (2,878.19 km) |
| Sedro-Woolley to Mayagüez (Puerto Rico) | 3,700.02 mi (5,954.60 km) |
| Sedro-Woolley to Mayfield Heights (Ohio) | 2,023.85 mi (3,257.06 km) |
| Sedro-Woolley to Mays Chapel (Maryland) | 2,314.31 mi (3,724.51 km) |
| Sedro-Woolley to Maywood (California) | 1,024.79 mi (1,649.23 km) |
| Sedro-Woolley to Maywood (Illinois) | 1,719.83 mi (2,767.80 km) |
| Sedro-Woolley to McAlester (Oklahoma) | 1,642.77 mi (2,643.79 km) |
| Sedro-Woolley to McAllen (Texas) | 2,008.88 mi (3,232.98 km) |
| Sedro-Woolley to McCalla (Alabama) | 2,090.97 mi (3,365.10 km) |
| Sedro-Woolley to McComb (Mississippi) | 2,040.16 mi (3,283.32 km) |
| Sedro-Woolley to McDonough (Georgia) | 2,211.89 mi (3,559.70 km) |
| Sedro-Woolley to McFarland (California) | 899.65 mi (1,447.85 km) |
