| Parkway to Morris (Illinois) | 1,749.98 mi (2,816.32 km) |
| Parkway to Morristown (New Jersey) | 2,474.10 mi (3,981.67 km) |
| Parkway to Morristown (Tennessee) | 2,086.47 mi (3,357.86 km) |
| Parkway to Morrisville (North Carolina) | 2,332.71 mi (3,754.13 km) |
| Parkway to Morro Bay (California) | 218.89 mi (352.27 km) |
| Parkway to Morton (Illinois) | 1,700.73 mi (2,737.07 km) |
| Parkway to Morton Grove (Illinois) | 1,779.80 mi (2,864.32 km) |
| Parkway to Moscow (Idaho) | 611.90 mi (984.75 km) |
| Parkway to Moses Lake (Washington) | 606.23 mi (975.63 km) |
| Parkway to Moss Bluff (Louisiana) | 1,698.85 mi (2,734.03 km) |
| Parkway to Moss Point (Mississippi) | 1,945.07 mi (3,130.29 km) |
| Parkway to Moultrie (Georgia) | 2,180.38 mi (3,508.98 km) |
| Parkway to Mounds View (Minnesota) | 1,515.74 mi (2,439.34 km) |
| Parkway to Mount Airy (North Carolina) | 2,224.21 mi (3,579.51 km) |
| Parkway to Mount Clemens (Michigan) | 2,026.89 mi (3,261.97 km) |
