| Portage to Madison (Mississippi) | 716.50 mi (1,153.09 km) |
| Portage to Madison (New Jersey) | 586.46 mi (943.82 km) |
| Portage to Madison (Wisconsin) | 202.62 mi (326.09 km) |
| Portage to Madison Heights (Michigan) | 128.75 mi (207.21 km) |
| Portage to Madison Heights (Virginia) | 475.32 mi (764.95 km) |
| Portage to Madisonville (Kentucky) | 350.73 mi (564.45 km) |
| Portage to Magalia (California) | 1,871.00 mi (3,011.08 km) |
| Portage to Magna (Utah) | 1,373.30 mi (2,210.11 km) |
| Portage to Magnolia (Arkansas) | 743.66 mi (1,196.80 km) |
| Portage to Maili (Hawaii) | 4,362.98 mi (7,021.54 km) |
| Portage to Maitland (Florida) | 966.91 mi (1,556.09 km) |
| Portage to Makakilo (Hawaii) | 4,360.74 mi (7,017.94 km) |
| Portage to Malden (Massachusetts) | 741.77 mi (1,193.77 km) |
| Portage to Malibu (California) | 1,876.89 mi (3,020.56 km) |
| Portage to Maltby (Washington) | 1,807.60 mi (2,909.05 km) |
