| Pembroke Dock to McKeesport (Pennsylvania) | 3,514.85 mi (5,656.60 km) |
| Pembroke Dock to McKinleyville (California) | 5,068.91 mi (8,157.62 km) |
| Pembroke Dock to McKinney (Texas) | 4,528.13 mi (7,287.32 km) |
| Pembroke Dock to McLean (Virginia) | 3,467.91 mi (5,581.06 km) |
| Pembroke Dock to McMinnville (Oregon) | 4,801.85 mi (7,727.84 km) |
| Pembroke Dock to McMinnville (Tennessee) | 3,969.84 mi (6,388.84 km) |
| Pembroke Dock to McNair (Virginia) | 3,476.54 mi (5,594.95 km) |
| Pembroke Dock to McPherson (Kansas) | 4,307.86 mi (6,932.83 km) |
| Pembroke Dock to Mead Valley (California) | 5,254.05 mi (8,455.58 km) |
| Pembroke Dock to Meadow Woods (Florida) | 4,140.55 mi (6,663.57 km) |
| Pembroke Dock to Meadowbrook (Virginia) | 3,547.11 mi (5,708.53 km) |
| Pembroke Dock to Meadville (Pennsylvania) | 3,470.15 mi (5,584.67 km) |
| Pembroke Dock to Mebane (North Carolina) | 3,683.28 mi (5,927.66 km) |
| Pembroke Dock to Mechanicsville (Virginia) | 3,533.37 mi (5,686.41 km) |
| Pembroke Dock to Medford (Massachusetts) | 3,068.79 mi (4,938.74 km) |
