| Clearfield to Marysville (California) | 522.41 mi (840.74 km) |
| Clearfield to Marysville (Ohio) | 1,496.71 mi (2,408.72 km) |
| Clearfield to Marysville (Washington) | 692.43 mi (1,114.36 km) |
| Clearfield to Maryville (Missouri) | 898.31 mi (1,445.69 km) |
| Clearfield to Maryville (Tennessee) | 1,555.19 mi (2,502.83 km) |
| Clearfield to Mason (Ohio) | 1,461.09 mi (2,351.39 km) |
| Clearfield to Mason City (Iowa) | 972.82 mi (1,565.60 km) |
| Clearfield to Massapequa (New York) | 1,997.41 mi (3,214.52 km) |
| Clearfield to Massapequa Park (New York) | 1,998.25 mi (3,215.87 km) |
| Clearfield to Massillon (Ohio) | 1,583.67 mi (2,548.68 km) |
| Clearfield to Mastic (New York) | 2,026.76 mi (3,261.76 km) |
| Clearfield to Mastic Beach (New York) | 2,028.03 mi (3,263.80 km) |
| Clearfield to Matteson (Illinois) | 1,256.19 mi (2,021.65 km) |
| Clearfield to Matthews (North Carolina) | 1,741.67 mi (2,802.95 km) |
| Clearfield to Mattoon (Illinois) | 1,248.22 mi (2,008.82 km) |
