| Canals to Madison (New Jersey) | 3,795.53 mi (6,108.31 km) |
| Canals to Madison (Wisconsin) | 4,409.02 mi (7,095.63 km) |
| Canals to Madison Heights (Michigan) | 4,147.87 mi (6,675.35 km) |
| Canals to Madison Heights (Virginia) | 4,121.82 mi (6,633.43 km) |
| Canals to Madisonville (Kentucky) | 4,525.88 mi (7,283.70 km) |
| Canals to Magalia (California) | 5,842.13 mi (9,401.99 km) |
| Canals to Magna (Utah) | 5,445.51 mi (8,763.70 km) |
| Canals to Magnolia (Arkansas) | 4,949.54 mi (7,965.51 km) |
| Canals to Maili (Hawaii) | 8,020.40 mi (12,907.59 km) |
| Canals to Maitland (Florida) | 4,543.59 mi (7,312.20 km) |
| Canals to Makakilo (Hawaii) | 8,022.05 mi (12,910.24 km) |
| Canals to Malden (Massachusetts) | 3,590.74 mi (5,778.74 km) |
| Canals to Malibu (California) | 6,030.39 mi (9,704.98 km) |
| Canals to Maltby (Washington) | 5,450.39 mi (8,771.55 km) |
| Canals to Malvern (Arkansas) | 4,887.17 mi (7,865.14 km) |
