| Hackettstown to Salisbury (New York) | 66.60 mi (107.19 km) |
| Hackettstown to Salisbury (North Carolina) | 471.95 mi (759.53 km) |
| Hackettstown to Salmon Creek (Washington) | 2,393.21 mi (3,851.50 km) |
| Hackettstown to Salt Lake City (Utah) | 1,925.47 mi (3,098.75 km) |
| Hackettstown to Sammamish (Washington) | 2,346.03 mi (3,775.58 km) |
| Hackettstown to San Angelo (Texas) | 1,562.95 mi (2,515.33 km) |
| Hackettstown to San Anselmo (California) | 2,524.54 mi (4,062.86 km) |
| Hackettstown to San Antonio (Texas) | 1,545.36 mi (2,487.01 km) |
| Hackettstown to San Benito (Texas) | 1,653.66 mi (2,661.31 km) |
| Hackettstown to San Bernardino (California) | 2,350.09 mi (3,782.11 km) |
| Hackettstown to San Bruno (California) | 2,525.90 mi (4,065.05 km) |
| Hackettstown to San Buenaventura (California) | 2,447.43 mi (3,938.75 km) |
| Hackettstown to San Carlos (California) | 2,520.57 mi (4,056.46 km) |
| Hackettstown to San Carlos Park (Florida) | 1,070.76 mi (1,723.21 km) |
| Hackettstown to San Clemente (California) | 2,386.45 mi (3,840.62 km) |
