| Chelmsford to Superior (Colorado) | 4,692.67 mi (7,552.13 km) |
| Chelmsford to Superior (Wisconsin) | 3,901.92 mi (6,279.53 km) |
| Chelmsford to Surprise (Arizona) | 5,281.00 mi (8,498.95 km) |
| Chelmsford to Susanville (California) | 5,154.42 mi (8,295.23 km) |
| Chelmsford to Sussex (Wisconsin) | 3,927.08 mi (6,320.02 km) |
| Chelmsford to Suwanee (Georgia) | 4,198.64 mi (6,757.06 km) |
| Chelmsford to Swansea (Illinois) | 4,212.28 mi (6,779.01 km) |
| Chelmsford to Sweetwater (Florida) | 4,458.46 mi (7,175.20 km) |
| Chelmsford to Sweetwater (Texas) | 4,917.36 mi (7,913.73 km) |
| Chelmsford to Sycamore (Illinois) | 3,997.59 mi (6,433.49 km) |
| Chelmsford to Sylacauga (Alabama) | 4,330.08 mi (6,968.58 km) |
| Chelmsford to Sylvania (Ohio) | 3,821.30 mi (6,149.79 km) |
| Chelmsford to Syosset (New York) | 3,456.10 mi (5,562.06 km) |
| Chelmsford to Syracuse (New York) | 3,466.11 mi (5,578.17 km) |
| Chelmsford to Syracuse (Utah) | 4,857.93 mi (7,818.08 km) |
