| Napa to Dover (New Hampshire) | 2,670.22 mi (4,297.31 km) |
| Napa to Dover (New Jersey) | 2,516.59 mi (4,050.07 km) |
| Napa to Dover (Ohio) | 2,164.97 mi (3,484.19 km) |
| Napa to Downers Grove (Illinois) | 1,817.20 mi (2,924.50 km) |
| Napa to Downey (California) | 380.56 mi (612.45 km) |
| Napa to Dranesville (Virginia) | 2,399.99 mi (3,862.42 km) |
| Napa to Draper (Utah) | 577.37 mi (929.19 km) |
| Napa to Drexel Heights (Arizona) | 763.37 mi (1,228.52 km) |
| Napa to Drexel Hill (Pennsylvania) | 2,492.29 mi (4,010.96 km) |
| Napa to Duarte (California) | 374.71 mi (603.03 km) |
| Napa to Dublin (California) | 45.82 mi (73.73 km) |
| Napa to Dublin (Georgia) | 2,235.28 mi (3,597.34 km) |
| Napa to Dublin (Ohio) | 2,083.18 mi (3,352.55 km) |
| Napa to Dubuque (Iowa) | 1,677.56 mi (2,699.77 km) |
| Napa to Duluth (Georgia) | 2,133.83 mi (3,434.07 km) |
