| Hackettstown to Superior (Colorado) | 1,589.46 mi (2,557.98 km) |
| Hackettstown to Superior (Wisconsin) | 948.12 mi (1,525.86 km) |
| Hackettstown to Surprise (Arizona) | 2,110.17 mi (3,395.99 km) |
| Hackettstown to Susanville (California) | 2,372.85 mi (3,818.73 km) |
| Hackettstown to Sussex (Wisconsin) | 704.92 mi (1,134.46 km) |
| Hackettstown to Suwanee (Georgia) | 690.61 mi (1,111.42 km) |
| Hackettstown to Swansea (Illinois) | 820.34 mi (1,320.22 km) |
| Hackettstown to Sweetwater (Florida) | 1,089.16 mi (1,752.83 km) |
| Hackettstown to Sweetwater (Texas) | 1,524.68 mi (2,453.73 km) |
| Hackettstown to Sycamore (Illinois) | 721.39 mi (1,160.96 km) |
| Hackettstown to Sylacauga (Alabama) | 822.89 mi (1,324.32 km) |
| Hackettstown to Sylvania (Ohio) | 464.81 mi (748.04 km) |
| Hackettstown to Syosset (New York) | 69.25 mi (111.44 km) |
| Hackettstown to Syracuse (New York) | 165.57 mi (266.45 km) |
| Hackettstown to Syracuse (Utah) | 1,928.02 mi (3,102.85 km) |
