| Summit to Marrero (Louisiana) | 1,157.90 mi (1,863.47 km) |
| Summit to Marshall (Minnesota) | 1,116.57 mi (1,796.95 km) |
| Summit to Marshall (Missouri) | 1,002.37 mi (1,613.17 km) |
| Summit to Marshall (Texas) | 1,239.99 mi (1,995.57 km) |
| Summit to Marshalltown (Iowa) | 963.77 mi (1,551.04 km) |
| Summit to Marshfield (Wisconsin) | 846.25 mi (1,361.91 km) |
| Summit to Martha Lake (Washington) | 2,378.80 mi (3,828.31 km) |
| Summit to Martin (Tennessee) | 838.13 mi (1,348.85 km) |
| Summit to Martinez (California) | 2,526.46 mi (4,065.94 km) |
| Summit to Martinez (Georgia) | 654.14 mi (1,052.74 km) |
| Summit to Martinsburg (West Virginia) | 209.79 mi (337.62 km) |
| Summit to Martinsville (Indiana) | 643.84 mi (1,036.16 km) |
| Summit to Martinsville (New Jersey) | 13.49 mi (21.71 km) |
| Summit to Martinsville (Virginia) | 406.73 mi (654.57 km) |
| Summit to Maryland City (Maryland) | 170.75 mi (274.80 km) |
