| Napa to Mount Washington (Kentucky) | 1,982.72 mi (3,190.88 km) |
| Napa to Mountain Brook (Alabama) | 2,005.46 mi (3,227.47 km) |
| Napa to Mountain Home (Arkansas) | 1,642.35 mi (2,643.11 km) |
| Napa to Mountain Home (Idaho) | 480.55 mi (773.36 km) |
| Napa to Mountain House (California) | 55.09 mi (88.66 km) |
| Napa to Mountain Park (Georgia) | 2,138.44 mi (3,441.49 km) |
| Napa to Mountain Top (Pennsylvania) | 2,444.45 mi (3,933.97 km) |
| Napa to Mountain View (California) | 63.17 mi (101.66 km) |
| Napa to Mountlake Terrace (Washington) | 656.01 mi (1,055.75 km) |
| Napa to Mukilteo (Washington) | 664.13 mi (1,068.82 km) |
| Napa to Muncie (Indiana) | 1,964.86 mi (3,162.14 km) |
| Napa to Mundelein (Illinois) | 1,815.62 mi (2,921.96 km) |
| Napa to Munhall (Pennsylvania) | 2,248.43 mi (3,618.50 km) |
| Napa to Munster (Indiana) | 1,844.89 mi (2,969.06 km) |
| Napa to Murfreesboro (Tennessee) | 1,973.28 mi (3,175.68 km) |
