| Summit to McHenry (Illinois) | 728.29 mi (1,172.08 km) |
| Summit to McKeesport (Pennsylvania) | 288.86 mi (464.88 km) |
| Summit to McKinleyville (California) | 2,563.09 mi (4,124.90 km) |
| Summit to McKinney (Texas) | 1,331.47 mi (2,142.80 km) |
| Summit to McLean (Virginia) | 193.70 mi (311.74 km) |
| Summit to McMinnville (Oregon) | 2,450.33 mi (3,943.42 km) |
| Summit to McMinnville (Tennessee) | 709.78 mi (1,142.29 km) |
| Summit to McNair (Virginia) | 202.44 mi (325.79 km) |
| Summit to McPherson (Kansas) | 1,248.01 mi (2,008.48 km) |
| Summit to Mead Valley (California) | 2,382.86 mi (3,834.85 km) |
| Summit to Meadow Woods (Florida) | 940.19 mi (1,513.09 km) |
| Summit to Meadowbrook (Virginia) | 281.63 mi (453.24 km) |
| Summit to Meadville (Pennsylvania) | 307.43 mi (494.77 km) |
| Summit to Mebane (North Carolina) | 415.78 mi (669.13 km) |
| Summit to Mechanicsville (Virginia) | 266.85 mi (429.46 km) |
