| Northampton to Port Chester (New York) | 3,388.32 mi (5,452.98 km) |
| Northampton to Port Hueneme (California) | 5,406.99 mi (8,701.71 km) |
| Northampton to Port Huron (Michigan) | 3,647.09 mi (5,869.43 km) |
| Northampton to Port Lavaca (Texas) | 4,908.43 mi (7,899.36 km) |
| Northampton to Port Neches (Texas) | 4,732.00 mi (7,615.42 km) |
| Northampton to Port Orange (Florida) | 4,252.82 mi (6,844.26 km) |
| Northampton to Port Orchard (Washington) | 4,738.53 mi (7,625.93 km) |
| Northampton to Port Royal (South Carolina) | 4,078.59 mi (6,563.86 km) |
| Northampton to Port Salerno (Florida) | 4,317.66 mi (6,948.61 km) |
| Northampton to Port St. John (Florida) | 4,276.25 mi (6,881.96 km) |
| Northampton to Port St. Lucie (Florida) | 4,319.19 mi (6,951.06 km) |
| Northampton to Port Washington (New York) | 3,396.47 mi (5,466.09 km) |
| Northampton to Port Washington (Wisconsin) | 3,835.02 mi (6,171.87 km) |
| Northampton to Port Wentworth (Georgia) | 4,106.85 mi (6,609.33 km) |
| Northampton to Portage (Indiana) | 3,892.32 mi (6,264.08 km) |
