| Acton to Smyrna (Delaware) | 3,582.98 mi (5,766.25 km) |
| Acton to Smyrna (Georgia) | 4,200.37 mi (6,759.85 km) |
| Acton to Smyrna (Tennessee) | 4,179.17 mi (6,725.73 km) |
| Acton to Snellville (Georgia) | 4,179.82 mi (6,726.77 km) |
| Acton to Snoqualmie (Washington) | 4,771.63 mi (7,679.19 km) |
| Acton to Snyder (Texas) | 4,902.39 mi (7,889.63 km) |
| Acton to Socastee (South Carolina) | 3,982.29 mi (6,408.87 km) |
| Acton to Socorro (Texas) | 5,158.08 mi (8,301.13 km) |
| Acton to Soddy-Daisy (Tennessee) | 4,159.35 mi (6,693.83 km) |
| Acton to Solana Beach (California) | 5,464.07 mi (8,793.58 km) |
| Acton to Soledad (California) | 5,394.61 mi (8,681.79 km) |
| Acton to Solon (Ohio) | 3,724.18 mi (5,993.50 km) |
| Acton to Somers Point (New Jersey) | 3,540.88 mi (5,698.49 km) |
| Acton to Somerset (Kentucky) | 4,049.16 mi (6,516.50 km) |
| Acton to Somerset (New Jersey) | 3,484.29 mi (5,607.42 km) |
