| Leek to Smyrna (Delaware) | 3,480.49 mi (5,601.30 km) |
| Leek to Smyrna (Georgia) | 4,096.22 mi (6,592.23 km) |
| Leek to Smyrna (Tennessee) | 4,070.77 mi (6,551.26 km) |
| Leek to Snellville (Georgia) | 4,076.18 mi (6,559.98 km) |
| Leek to Snoqualmie (Washington) | 4,639.37 mi (7,466.35 km) |
| Leek to Snyder (Texas) | 4,785.17 mi (7,700.98 km) |
| Leek to Socastee (South Carolina) | 3,884.04 mi (6,250.75 km) |
| Leek to Socorro (Texas) | 5,037.77 mi (8,107.50 km) |
| Leek to Soddy-Daisy (Tennessee) | 4,052.97 mi (6,522.62 km) |
| Leek to Solana Beach (California) | 5,336.75 mi (8,588.67 km) |
| Leek to Soledad (California) | 5,264.59 mi (8,472.54 km) |
| Leek to Solon (Ohio) | 3,613.83 mi (5,815.90 km) |
| Leek to Somers Point (New Jersey) | 3,439.32 mi (5,535.05 km) |
| Leek to Somerset (Kentucky) | 3,941.21 mi (6,342.77 km) |
| Leek to Somerset (New Jersey) | 3,381.08 mi (5,441.32 km) |
