| Napa to Mankato (Minnesota) | 1,518.21 mi (2,443.32 km) |
| Napa to Manor (Texas) | 1,510.73 mi (2,431.28 km) |
| Napa to Manorville (New York) | 2,607.25 mi (4,195.97 km) |
| Napa to Mansfield (Ohio) | 2,108.23 mi (3,392.87 km) |
| Napa to Mansfield (Texas) | 1,466.58 mi (2,360.23 km) |
| Napa to Manteca (California) | 68.08 mi (109.57 km) |
| Napa to Manville (New Jersey) | 2,520.10 mi (4,055.71 km) |
| Napa to Maple Grove (Minnesota) | 1,550.75 mi (2,495.69 km) |
| Napa to Maple Heights (Ohio) | 2,151.58 mi (3,462.64 km) |
| Napa to Maple Valley (Washington) | 626.71 mi (1,008.59 km) |
| Napa to Mapleton (Utah) | 587.51 mi (945.51 km) |
| Napa to Maplewood (Minnesota) | 1,570.89 mi (2,528.11 km) |
| Napa to Marana (Arizona) | 746.39 mi (1,201.19 km) |
| Napa to Marco Island (Florida) | 2,501.65 mi (4,026.01 km) |
| Napa to Margate (Florida) | 2,570.91 mi (4,137.48 km) |
