| Napa to Pottsville (Pennsylvania) | 2,435.01 mi (3,918.76 km) |
| Napa to Poughkeepsie (New York) | 2,537.86 mi (4,084.29 km) |
| Napa to Poulsbo (Washington) | 652.75 mi (1,050.51 km) |
| Napa to Poway (California) | 471.56 mi (758.90 km) |
| Napa to Powder Springs (Georgia) | 2,108.07 mi (3,392.61 km) |
| Napa to Powell (Ohio) | 2,085.79 mi (3,356.75 km) |
| Napa to Powell (Tennessee) | 2,097.96 mi (3,376.34 km) |
| Napa to Prairie Ridge (Washington) | 611.27 mi (983.75 km) |
| Napa to Prairie Village (Kansas) | 1,487.96 mi (2,394.64 km) |
| Napa to Prairieville (Louisiana) | 1,861.75 mi (2,996.20 km) |
| Napa to Prattville (Alabama) | 2,045.87 mi (3,292.52 km) |
| Napa to Preakness (New Jersey) | 2,532.98 mi (4,076.43 km) |
| Napa to Prescott (Arizona) | 604.35 mi (972.61 km) |
| Napa to Prescott Valley (Arizona) | 610.41 mi (982.36 km) |
| Napa to Prichard (Alabama) | 2,000.74 mi (3,219.88 km) |
