| Napa to University Place (Washington) | 616.24 mi (991.75 km) |
| Napa to Upland (California) | 387.61 mi (623.80 km) |
| Napa to Upper Arlington (Ohio) | 2,088.05 mi (3,360.39 km) |
| Napa to Upper Grand Lagoon (Florida) | 2,147.43 mi (3,455.96 km) |
| Napa to Upper Montclair (New Jersey) | 2,535.56 mi (4,080.59 km) |
| Napa to Urbana (Illinois) | 1,819.03 mi (2,927.45 km) |
| Napa to Urbana (Maryland) | 2,396.18 mi (3,856.27 km) |
| Napa to Urbana (Ohio) | 2,051.46 mi (3,301.51 km) |
| Napa to Urbandale (Iowa) | 1,520.65 mi (2,447.26 km) |
| Napa to Utica (New York) | 2,455.58 mi (3,951.87 km) |
| Napa to Uvalde (Texas) | 1,432.76 mi (2,305.81 km) |
| Napa to Vacaville (California) | 18.57 mi (29.89 km) |
| Napa to Vadnais Heights (Minnesota) | 1,569.07 mi (2,525.17 km) |
| Napa to Vail (Arizona) | 785.09 mi (1,263.47 km) |
| Napa to Valdosta (Georgia) | 2,261.26 mi (3,639.15 km) |
