| Shasta Lake to Mattoon (Illinois) | 1,788.98 mi (2,879.08 km) |
| Shasta Lake to Mauldin (South Carolina) | 2,207.88 mi (3,553.23 km) |
| Shasta Lake to Maumee (Ohio) | 1,998.84 mi (3,216.83 km) |
| Shasta Lake to Maumelle (Arkansas) | 1,677.29 mi (2,699.34 km) |
| Shasta Lake to Mayagüez (Puerto Rico) | 3,599.39 mi (5,792.66 km) |
| Shasta Lake to Mayfield Heights (Ohio) | 2,111.46 mi (3,398.06 km) |
| Shasta Lake to Mays Chapel (Maryland) | 2,392.09 mi (3,849.70 km) |
| Shasta Lake to Maywood (California) | 516.23 mi (830.79 km) |
| Shasta Lake to Maywood (Illinois) | 1,782.88 mi (2,869.28 km) |
| Shasta Lake to McAlester (Oklahoma) | 1,499.36 mi (2,412.99 km) |
| Shasta Lake to McAllen (Texas) | 1,702.89 mi (2,740.53 km) |
| Shasta Lake to McCalla (Alabama) | 2,001.56 mi (3,221.20 km) |
| Shasta Lake to McComb (Mississippi) | 1,887.14 mi (3,037.06 km) |
| Shasta Lake to McDonough (Georgia) | 2,148.35 mi (3,457.43 km) |
| Shasta Lake to McFarland (California) | 385.16 mi (619.86 km) |
