| Guaynabo to Morristown (New Jersey) | 1,626.12 mi (2,616.98 km) |
| Guaynabo to Morristown (Tennessee) | 1,616.09 mi (2,600.84 km) |
| Guaynabo to Morrisville (North Carolina) | 1,434.36 mi (2,308.37 km) |
| Guaynabo to Morro Bay (California) | 3,523.72 mi (5,670.87 km) |
| Guaynabo to Morton (Illinois) | 2,067.81 mi (3,327.82 km) |
| Guaynabo to Morton Grove (Illinois) | 2,072.08 mi (3,334.69 km) |
| Guaynabo to Moscow (Idaho) | 3,469.12 mi (5,583.00 km) |
| Guaynabo to Moses Lake (Washington) | 3,579.97 mi (5,761.41 km) |
| Guaynabo to Moss Bluff (Louisiana) | 1,886.92 mi (3,036.70 km) |
| Guaynabo to Moss Point (Mississippi) | 1,632.50 mi (2,627.25 km) |
| Guaynabo to Moultrie (Georgia) | 1,412.89 mi (2,273.82 km) |
| Guaynabo to Mounds View (Minnesota) | 2,414.60 mi (3,885.92 km) |
| Guaynabo to Mount Airy (North Carolina) | 1,531.71 mi (2,465.04 km) |
| Guaynabo to Mount Clemens (Michigan) | 1,939.97 mi (3,122.08 km) |
| Guaynabo to Mount Dora (Florida) | 1,216.55 mi (1,957.85 km) |
