| Napa to Duluth (Minnesota) | 1,631.19 mi (2,625.14 km) |
| Napa to Dumas (Texas) | 1,131.23 mi (1,820.53 km) |
| Napa to Dumont (New Jersey) | 2,544.71 mi (4,095.32 km) |
| Napa to Duncan (Oklahoma) | 1,375.90 mi (2,214.29 km) |
| Napa to Duncanville (Texas) | 1,475.74 mi (2,374.97 km) |
| Napa to Dundalk (Maryland) | 2,441.23 mi (3,928.78 km) |
| Napa to Dunedin (Florida) | 2,372.84 mi (3,818.72 km) |
| Napa to Dunkirk (New York) | 2,255.32 mi (3,629.59 km) |
| Napa to Dunmore (Pennsylvania) | 2,455.96 mi (3,952.48 km) |
| Napa to Dunwoody (Georgia) | 2,126.46 mi (3,422.20 km) |
| Napa to Durango (Colorado) | 790.01 mi (1,271.40 km) |
| Napa to Durant (Oklahoma) | 1,470.68 mi (2,366.83 km) |
| Napa to Durham (North Carolina) | 2,373.81 mi (3,820.27 km) |
| Napa to Dyer (Indiana) | 1,844.91 mi (2,969.09 km) |
| Napa to Dyersburg (Tennessee) | 1,809.69 mi (2,912.42 km) |
