| Napa to Isabela (Puerto Rico) | 3,568.23 mi (5,742.52 km) |
| Napa to Iselin (New Jersey) | 2,533.63 mi (4,077.48 km) |
| Napa to Isla Vista (California) | 300.75 mi (484.01 km) |
| Napa to Issaquah (Washington) | 638.99 mi (1,028.36 km) |
| Napa to Ithaca (New York) | 2,398.43 mi (3,859.89 km) |
| Napa to Ives Estates (Florida) | 2,582.18 mi (4,155.61 km) |
| Napa to Jackson (Michigan) | 1,999.72 mi (3,218.24 km) |
| Napa to Jackson (Mississippi) | 1,846.04 mi (2,970.92 km) |
| Napa to Jackson (Missouri) | 1,773.36 mi (2,853.94 km) |
| Napa to Jackson (Tennessee) | 1,846.15 mi (2,971.10 km) |
| Napa to Jackson (Wyoming) | 699.30 mi (1,125.41 km) |
| Napa to Jacksonville (Alabama) | 2,051.41 mi (3,301.42 km) |
| Napa to Jacksonville (Arkansas) | 1,682.77 mi (2,708.16 km) |
| Napa to Jacksonville (Florida) | 2,362.94 mi (3,802.78 km) |
| Napa to Jacksonville (Illinois) | 1,715.31 mi (2,760.53 km) |
