| Champaign to Marysville (California) | 1,763.32 mi (2,837.80 km) |
| Champaign to Marysville (Ohio) | 259.53 mi (417.68 km) |
| Champaign to Marysville (Washington) | 1,752.66 mi (2,820.63 km) |
| Champaign to Maryville (Missouri) | 348.25 mi (560.45 km) |
| Champaign to Maryville (Tennessee) | 381.78 mi (614.42 km) |
| Champaign to Mason (Ohio) | 217.38 mi (349.84 km) |
| Champaign to Mason City (Iowa) | 329.55 mi (530.36 km) |
| Champaign to Massapequa (New York) | 779.02 mi (1,253.71 km) |
| Champaign to Massapequa Park (New York) | 780.09 mi (1,255.43 km) |
| Champaign to Massillon (Ohio) | 357.73 mi (575.71 km) |
| Champaign to Mastic (New York) | 811.29 mi (1,305.64 km) |
| Champaign to Mastic Beach (New York) | 811.96 mi (1,306.72 km) |
| Champaign to Matteson (Illinois) | 100.27 mi (161.36 km) |
| Champaign to Matthews (North Carolina) | 538.57 mi (866.74 km) |
| Champaign to Mattoon (Illinois) | 44.25 mi (71.21 km) |
