| Northport to Somersworth (New Hampshire) | 1,136.21 mi (1,828.55 km) |
| Northport to Somerton (Arizona) | 1,567.85 mi (2,523.21 km) |
| Northport to Somerville (Massachusetts) | 1,096.31 mi (1,764.34 km) |
| Northport to Somerville (New Jersey) | 876.04 mi (1,409.85 km) |
| Northport to Sonoma (California) | 1,972.89 mi (3,175.06 km) |
| Northport to Soquel (California) | 1,947.53 mi (3,134.25 km) |
| Northport to South Bend (Indiana) | 586.16 mi (943.34 km) |
| Northport to South Bradenton (Florida) | 499.75 mi (804.27 km) |
| Northport to South Burlington (Vermont) | 1,091.25 mi (1,756.20 km) |
| Northport to South Charleston (West Virginia) | 481.55 mi (774.98 km) |
| Northport to South Daytona (Florida) | 481.26 mi (774.52 km) |
| Northport to South El Monte (California) | 1,745.60 mi (2,809.27 km) |
| Northport to South Elgin (Illinois) | 604.58 mi (972.98 km) |
| Northport to South Euclid (Ohio) | 660.89 mi (1,063.60 km) |
| Northport to South Farmingdale (New York) | 933.89 mi (1,502.95 km) |
