| Pecos to Maryland Heights (Missouri) | 893.12 mi (1,437.34 km) |
| Pecos to Marysville (California) | 1,148.22 mi (1,847.88 km) |
| Pecos to Marysville (Ohio) | 1,279.56 mi (2,059.24 km) |
| Pecos to Marysville (Washington) | 1,511.36 mi (2,432.31 km) |
| Pecos to Maryville (Missouri) | 784.35 mi (1,262.29 km) |
| Pecos to Maryville (Tennessee) | 1,162.17 mi (1,870.33 km) |
| Pecos to Mason (Ohio) | 1,210.85 mi (1,948.68 km) |
| Pecos to Mason City (Iowa) | 988.86 mi (1,591.41 km) |
| Pecos to Massapequa (New York) | 1,786.25 mi (2,874.69 km) |
| Pecos to Massapequa Park (New York) | 1,787.52 mi (2,876.73 km) |
| Pecos to Massillon (Ohio) | 1,383.28 mi (2,226.17 km) |
| Pecos to Mastic (New York) | 1,820.13 mi (2,929.22 km) |
| Pecos to Mastic Beach (New York) | 1,820.13 mi (2,929.21 km) |
| Pecos to Matteson (Illinois) | 1,117.86 mi (1,799.02 km) |
| Pecos to Matthews (North Carolina) | 1,339.62 mi (2,155.91 km) |
