| Napa to Madison (Mississippi) | 1,846.45 mi (2,971.57 km) |
| Napa to Madison (New Jersey) | 2,525.74 mi (4,064.78 km) |
| Napa to Madison (Wisconsin) | 1,743.80 mi (2,806.38 km) |
| Napa to Madison Heights (Michigan) | 2,064.18 mi (3,321.98 km) |
| Napa to Madison Heights (Virginia) | 2,334.83 mi (3,757.55 km) |
| Napa to Madisonville (Kentucky) | 1,889.14 mi (3,040.28 km) |
| Napa to Magalia (California) | 111.76 mi (179.85 km) |
| Napa to Magna (Utah) | 566.25 mi (911.30 km) |
| Napa to Magnolia (Arkansas) | 1,658.84 mi (2,669.64 km) |
| Napa to Maili (Hawaii) | 2,423.90 mi (3,900.88 km) |
| Napa to Maitland (Florida) | 2,430.42 mi (3,911.38 km) |
| Napa to Makakilo (Hawaii) | 2,421.58 mi (3,897.15 km) |
| Napa to Malden (Massachusetts) | 2,671.80 mi (4,299.85 km) |
| Napa to Malibu (California) | 353.68 mi (569.20 km) |
| Napa to Maltby (Washington) | 656.82 mi (1,057.05 km) |
