| Napa to Port Chester (New York) | 2,560.38 mi (4,120.53 km) |
| Napa to Port Hueneme (California) | 333.79 mi (537.19 km) |
| Napa to Port Huron (Michigan) | 2,094.88 mi (3,371.38 km) |
| Napa to Port Lavaca (Texas) | 1,616.80 mi (2,601.99 km) |
| Napa to Port Neches (Texas) | 1,712.28 mi (2,755.64 km) |
| Napa to Port Orange (Florida) | 2,435.05 mi (3,918.83 km) |
| Napa to Port Orchard (Washington) | 637.22 mi (1,025.50 km) |
| Napa to Port Royal (South Carolina) | 2,360.44 mi (3,798.75 km) |
| Napa to Port Salerno (Florida) | 2,541.97 mi (4,090.90 km) |
| Napa to Port St. John (Florida) | 2,465.61 mi (3,968.02 km) |
| Napa to Port St. Lucie (Florida) | 2,526.82 mi (4,066.52 km) |
| Napa to Port Washington (New York) | 2,562.57 mi (4,124.06 km) |
| Napa to Port Washington (Wisconsin) | 1,819.49 mi (2,928.18 km) |
| Napa to Port Wentworth (Georgia) | 2,337.71 mi (3,762.19 km) |
| Napa to Portage (Indiana) | 1,861.38 mi (2,995.60 km) |
