| Gary to Marshall (Minnesota) | 469.67 mi (755.86 km) |
| Gary to Marshall (Missouri) | 352.39 mi (567.12 km) |
| Gary to Marshall (Texas) | 734.52 mi (1,182.09 km) |
| Gary to Marshalltown (Iowa) | 287.89 mi (463.31 km) |
| Gary to Marshfield (Wisconsin) | 255.62 mi (411.37 km) |
| Gary to Martha Lake (Washington) | 1,750.25 mi (2,816.76 km) |
| Gary to Martin (Tennessee) | 371.75 mi (598.27 km) |
| Gary to Martinez (California) | 1,849.74 mi (2,976.87 km) |
| Gary to Martinez (Georgia) | 627.00 mi (1,009.05 km) |
| Gary to Martinsburg (West Virginia) | 513.37 mi (826.19 km) |
| Gary to Martinsville (Indiana) | 157.83 mi (254.00 km) |
| Gary to Martinsville (New Jersey) | 667.90 mi (1,074.89 km) |
| Gary to Martinsville (Virginia) | 524.84 mi (844.65 km) |
| Gary to Maryland City (Maryland) | 580.72 mi (934.58 km) |
| Gary to Maryland Heights (Missouri) | 258.12 mi (415.40 km) |
