| Napa to Pell City (Alabama) | 2,029.37 mi (3,265.96 km) |
| Napa to Pella (Iowa) | 1,565.62 mi (2,519.62 km) |
| Napa to Pembroke Pines (Florida) | 2,572.11 mi (4,139.41 km) |
| Napa to Pendleton (Oregon) | 540.08 mi (869.17 km) |
| Napa to Pensacola (Florida) | 2,061.06 mi (3,316.96 km) |
| Napa to Peoria (Arizona) | 639.38 mi (1,028.98 km) |
| Napa to Peoria (Illinois) | 1,740.12 mi (2,800.45 km) |
| Napa to Perris (California) | 421.13 mi (677.74 km) |
| Napa to Perry (Georgia) | 2,193.53 mi (3,530.14 km) |
| Napa to Perry Hall (Maryland) | 2,439.91 mi (3,926.66 km) |
| Napa to Perrysburg (Ohio) | 2,043.71 mi (3,289.04 km) |
| Napa to Perth Amboy (New Jersey) | 2,536.67 mi (4,082.37 km) |
| Napa to Peru (Indiana) | 1,924.30 mi (3,096.86 km) |
| Napa to Petal (Mississippi) | 1,924.81 mi (3,097.68 km) |
| Napa to Petaluma (California) | 18.07 mi (29.08 km) |
