| Parkway to Mendota (California) | 134.06 mi (215.75 km) |
| Parkway to Mendota Heights (Minnesota) | 1,517.05 mi (2,441.45 km) |
| Parkway to Menifee (California) | 408.70 mi (657.74 km) |
| Parkway to Menlo Park (California) | 81.18 mi (130.64 km) |
| Parkway to Menomonee Falls (Wisconsin) | 1,759.92 mi (2,832.32 km) |
| Parkway to Menomonie (Wisconsin) | 1,577.03 mi (2,537.98 km) |
| Parkway to Mentor (Ohio) | 2,112.56 mi (3,399.83 km) |
| Parkway to Mequon (Wisconsin) | 1,766.82 mi (2,843.42 km) |
| Parkway to Merced (California) | 98.09 mi (157.86 km) |
| Parkway to Mercedes (Texas) | 1,610.16 mi (2,591.30 km) |
| Parkway to Mercer Island (Washington) | 627.68 mi (1,010.16 km) |
| Parkway to Mercerville (New Jersey) | 2,471.41 mi (3,977.36 km) |
| Parkway to Meriden (Connecticut) | 2,549.13 mi (4,102.43 km) |
| Parkway to Meridian (Idaho) | 440.39 mi (708.74 km) |
| Parkway to Meridian (Mississippi) | 1,881.41 mi (3,027.84 km) |
