| Southlake to Sugar Hill (Georgia) | 757.85 mi (1,219.64 km) |
| Southlake to Sugar Land (Texas) | 248.84 mi (400.47 km) |
| Southlake to Sugarland Run (Virginia) | 1,179.43 mi (1,898.11 km) |
| Southlake to Sugarmill Woods (Florida) | 915.76 mi (1,473.78 km) |
| Southlake to Suisun City (California) | 1,438.78 mi (2,315.49 km) |
| Southlake to Suitland (Maryland) | 1,200.00 mi (1,931.21 km) |
| Southlake to Sulphur (Louisiana) | 292.06 mi (470.02 km) |
| Southlake to Sulphur Springs (Texas) | 90.02 mi (144.87 km) |
| Southlake to Summerfield (Maryland) | 1,203.75 mi (1,937.25 km) |
| Southlake to Summerfield (North Carolina) | 1,005.15 mi (1,617.64 km) |
| Southlake to Summerlin South (Nevada) | 1,056.06 mi (1,699.57 km) |
| Southlake to Summerville (South Carolina) | 982.55 mi (1,581.27 km) |
| Southlake to Summit (Illinois) | 796.00 mi (1,281.04 km) |
| Southlake to Summit (New Jersey) | 1,364.23 mi (2,195.52 km) |
| Southlake to Sumner (Washington) | 1,639.89 mi (2,639.15 km) |
