| Grays to Morristown (New Jersey) | 3,496.12 mi (5,626.45 km) |
| Grays to Morristown (Tennessee) | 4,063.46 mi (6,539.50 km) |
| Grays to Morrisville (North Carolina) | 3,898.90 mi (6,274.67 km) |
| Grays to Morro Bay (California) | 5,462.06 mi (8,790.34 km) |
| Grays to Morton (Illinois) | 4,095.40 mi (6,590.91 km) |
| Grays to Morton Grove (Illinois) | 3,964.42 mi (6,380.12 km) |
| Grays to Moscow (Idaho) | 4,702.41 mi (7,567.80 km) |
| Grays to Moses Lake (Washington) | 4,743.53 mi (7,633.98 km) |
| Grays to Moss Bluff (Louisiana) | 4,753.73 mi (7,650.39 km) |
| Grays to Moss Point (Mississippi) | 4,559.59 mi (7,337.95 km) |
| Grays to Moultrie (Georgia) | 4,328.03 mi (6,965.29 km) |
| Grays to Mounds View (Minnesota) | 4,020.54 mi (6,470.44 km) |
| Grays to Mount Airy (North Carolina) | 3,940.25 mi (6,341.22 km) |
| Grays to Mount Clemens (Michigan) | 3,750.93 mi (6,036.53 km) |
| Grays to Mount Dora (Florida) | 4,355.72 mi (7,009.85 km) |
