| Chelmsford to Smyrna (Delaware) | 3,608.99 mi (5,808.11 km) |
| Chelmsford to Smyrna (Georgia) | 4,225.94 mi (6,801.00 km) |
| Chelmsford to Smyrna (Tennessee) | 4,203.40 mi (6,764.72 km) |
| Chelmsford to Snellville (Georgia) | 4,205.54 mi (6,768.16 km) |
| Chelmsford to Snoqualmie (Washington) | 4,779.56 mi (7,691.95 km) |
| Chelmsford to Snyder (Texas) | 4,923.20 mi (7,923.13 km) |
| Chelmsford to Socastee (South Carolina) | 4,009.46 mi (6,452.61 km) |
| Chelmsford to Socorro (Texas) | 5,177.38 mi (8,332.19 km) |
| Chelmsford to Soddy-Daisy (Tennessee) | 4,184.24 mi (6,733.88 km) |
| Chelmsford to Solana Beach (California) | 5,478.74 mi (8,817.18 km) |
| Chelmsford to Soledad (California) | 5,406.53 mi (8,700.96 km) |
| Chelmsford to Solon (Ohio) | 3,747.71 mi (6,031.36 km) |
| Chelmsford to Somers Point (New Jersey) | 3,567.15 mi (5,740.77 km) |
| Chelmsford to Somerset (Kentucky) | 4,073.54 mi (6,555.72 km) |
| Chelmsford to Somerset (New Jersey) | 3,510.09 mi (5,648.94 km) |
