| Herndon to Marshall (Minnesota) | 1,019.10 mi (1,640.09 km) |
| Herndon to Marshall (Missouri) | 847.64 mi (1,364.14 km) |
| Herndon to Marshall (Texas) | 1,047.72 mi (1,686.15 km) |
| Herndon to Marshalltown (Iowa) | 841.10 mi (1,353.63 km) |
| Herndon to Marshfield (Wisconsin) | 765.64 mi (1,232.18 km) |
| Herndon to Martha Lake (Washington) | 2,298.06 mi (3,698.37 km) |
| Herndon to Martin (Tennessee) | 652.44 mi (1,049.99 km) |
| Herndon to Martinez (California) | 2,395.41 mi (3,855.04 km) |
| Herndon to Martinez (Georgia) | 458.84 mi (738.43 km) |
| Herndon to Martinsburg (West Virginia) | 46.25 mi (74.43 km) |
| Herndon to Martinsville (Indiana) | 485.12 mi (780.72 km) |
| Herndon to Martinsville (New Jersey) | 187.11 mi (301.12 km) |
| Herndon to Martinsville (Virginia) | 207.94 mi (334.65 km) |
| Herndon to Maryland City (Maryland) | 32.51 mi (52.32 km) |
| Herndon to Maryland Heights (Missouri) | 703.93 mi (1,132.86 km) |
