| Ashton to Smyrna (Delaware) | 3,470.68 mi (5,585.52 km) |
| Ashton to Smyrna (Georgia) | 4,085.84 mi (6,575.52 km) |
| Ashton to Smyrna (Tennessee) | 4,059.08 mi (6,532.46 km) |
| Ashton to Snellville (Georgia) | 4,065.95 mi (6,543.52 km) |
| Ashton to Snoqualmie (Washington) | 4,617.15 mi (7,430.58 km) |
| Ashton to Snyder (Texas) | 4,770.48 mi (7,677.35 km) |
| Ashton to Socastee (South Carolina) | 3,875.40 mi (6,236.86 km) |
| Ashton to Socorro (Texas) | 5,021.93 mi (8,082.01 km) |
| Ashton to Soddy-Daisy (Tennessee) | 4,041.92 mi (6,504.84 km) |
| Ashton to Solana Beach (California) | 5,317.89 mi (8,558.32 km) |
| Ashton to Soledad (California) | 5,244.23 mi (8,439.77 km) |
| Ashton to Solon (Ohio) | 3,601.58 mi (5,796.18 km) |
| Ashton to Somers Point (New Jersey) | 3,429.79 mi (5,519.71 km) |
| Ashton to Somerset (Kentucky) | 3,929.69 mi (6,324.22 km) |
| Ashton to Somerset (New Jersey) | 3,371.07 mi (5,425.22 km) |
