| Gary to Morristown (New Jersey) | 670.76 mi (1,079.48 km) |
| Gary to Morristown (Tennessee) | 430.99 mi (693.60 km) |
| Gary to Morrisville (North Carolina) | 606.62 mi (976.26 km) |
| Gary to Morro Bay (California) | 1,849.87 mi (2,977.09 km) |
| Gary to Morton (Illinois) | 129.36 mi (208.18 km) |
| Gary to Morton Grove (Illinois) | 38.62 mi (62.16 km) |
| Gary to Moscow (Idaho) | 1,502.35 mi (2,417.80 km) |
| Gary to Moses Lake (Washington) | 1,610.85 mi (2,592.42 km) |
| Gary to Moss Bluff (Louisiana) | 845.32 mi (1,360.41 km) |
| Gary to Moss Point (Mississippi) | 774.32 mi (1,246.15 km) |
| Gary to Moultrie (Georgia) | 747.50 mi (1,202.99 km) |
| Gary to Mounds View (Minnesota) | 381.57 mi (614.08 km) |
| Gary to Mount Airy (North Carolina) | 503.45 mi (810.23 km) |
| Gary to Mount Clemens (Michigan) | 239.24 mi (385.02 km) |
| Gary to Mount Dora (Florida) | 939.25 mi (1,511.57 km) |
