| South Elgin to McHenry (Illinois) | 24.07 mi (38.74 km) |
| South Elgin to McKeesport (Pennsylvania) | 454.80 mi (731.94 km) |
| South Elgin to McKinleyville (California) | 1,839.87 mi (2,960.98 km) |
| South Elgin to McKinney (Texas) | 759.35 mi (1,222.06 km) |
| South Elgin to McLean (Virginia) | 620.67 mi (998.87 km) |
| South Elgin to McMinnville (Oregon) | 1,745.47 mi (2,809.06 km) |
| South Elgin to McMinnville (Tennessee) | 456.34 mi (734.41 km) |
| South Elgin to McNair (Virginia) | 609.75 mi (981.30 km) |
| South Elgin to McPherson (Kansas) | 552.72 mi (889.52 km) |
| South Elgin to Mead Valley (California) | 1,667.21 mi (2,683.12 km) |
| South Elgin to Meadow Woods (Florida) | 1,019.11 mi (1,640.10 km) |
| South Elgin to Meadowbrook (Virginia) | 655.96 mi (1,055.67 km) |
| South Elgin to Meadville (Pennsylvania) | 421.03 mi (677.58 km) |
| South Elgin to Mebane (North Carolina) | 633.27 mi (1,019.15 km) |
| South Elgin to Mechanicsville (Virginia) | 654.40 mi (1,053.16 km) |
