| Hackettstown to Sugar Hill (Georgia) | 687.27 mi (1,106.06 km) |
| Hackettstown to Sugar Land (Texas) | 1,403.12 mi (2,258.11 km) |
| Hackettstown to Sugarland Run (Virginia) | 184.70 mi (297.25 km) |
| Hackettstown to Sugarmill Woods (Florida) | 943.17 mi (1,517.88 km) |
| Hackettstown to Suisun City (California) | 2,489.67 mi (4,006.74 km) |
| Hackettstown to Suitland (Maryland) | 177.63 mi (285.87 km) |
| Hackettstown to Sulphur (Louisiana) | 1,270.14 mi (2,044.09 km) |
| Hackettstown to Sulphur Springs (Texas) | 1,260.54 mi (2,028.65 km) |
| Hackettstown to Summerfield (Maryland) | 172.83 mi (278.14 km) |
| Hackettstown to Summerfield (North Carolina) | 422.62 mi (680.14 km) |
| Hackettstown to Summerlin South (Nevada) | 2,195.11 mi (3,532.69 km) |
| Hackettstown to Summerville (South Carolina) | 617.59 mi (993.92 km) |
| Hackettstown to Summit (Illinois) | 676.43 mi (1,088.61 km) |
| Hackettstown to Summit (New Jersey) | 25.95 mi (41.76 km) |
| Hackettstown to Sumner (Washington) | 2,358.04 mi (3,794.89 km) |
