| Napa to Arcata (California) | 200.78 mi (323.12 km) |
| Napa to Archdale (North Carolina) | 2,318.84 mi (3,731.81 km) |
| Napa to Arden-Arcade (California) | 53.86 mi (86.68 km) |
| Napa to Ardmore (Oklahoma) | 1,426.51 mi (2,295.74 km) |
| Napa to Ardmore (Pennsylvania) | 2,491.94 mi (4,010.38 km) |
| Napa to Arecibo (Puerto Rico) | 3,585.47 mi (5,770.25 km) |
| Napa to Arkadelphia (Arkansas) | 1,647.60 mi (2,651.55 km) |
| Napa to Arkansas City (Kansas) | 1,379.63 mi (2,220.30 km) |
| Napa to Arlington (Tennessee) | 1,808.66 mi (2,910.76 km) |
| Napa to Arlington (Texas) | 1,462.91 mi (2,354.32 km) |
| Napa to Arlington (Virginia) | 2,415.90 mi (3,888.01 km) |
| Napa to Arlington (Washington) | 682.18 mi (1,097.86 km) |
| Napa to Arlington Heights (Illinois) | 1,817.68 mi (2,925.28 km) |
| Napa to Arnold (Maryland) | 2,444.72 mi (3,934.40 km) |
| Napa to Arnold (Missouri) | 1,720.94 mi (2,769.58 km) |
