| Seal Beach to Marrero (Louisiana) | 1,657.82 mi (2,668.01 km) |
| Seal Beach to Marshall (Minnesota) | 1,397.77 mi (2,249.49 km) |
| Seal Beach to Marshall (Missouri) | 1,426.22 mi (2,295.28 km) |
| Seal Beach to Marshall (Texas) | 1,371.77 mi (2,207.65 km) |
| Seal Beach to Marshalltown (Iowa) | 1,479.58 mi (2,381.15 km) |
| Seal Beach to Marshfield (Wisconsin) | 1,661.59 mi (2,674.07 km) |
| Seal Beach to Martha Lake (Washington) | 997.41 mi (1,605.18 km) |
| Seal Beach to Martin (Tennessee) | 1,656.16 mi (2,665.33 km) |
| Seal Beach to Martinez (California) | 370.41 mi (596.12 km) |
| Seal Beach to Martinez (Georgia) | 2,058.67 mi (3,313.11 km) |
| Seal Beach to Martinsburg (West Virginia) | 2,239.66 mi (3,604.38 km) |
| Seal Beach to Martinsville (Indiana) | 1,788.69 mi (2,878.63 km) |
| Seal Beach to Martinsville (New Jersey) | 2,415.63 mi (3,887.57 km) |
| Seal Beach to Martinsville (Virginia) | 2,151.97 mi (3,463.26 km) |
| Seal Beach to Maryland City (Maryland) | 2,303.67 mi (3,707.39 km) |
