| Chelmsford to San Luis Obispo (California) | 5,454.67 mi (8,778.44 km) |
| Chelmsford to San Marcos (California) | 5,467.99 mi (8,799.88 km) |
| Chelmsford to San Marcos (Texas) | 4,960.44 mi (7,983.05 km) |
| Chelmsford to San Marino (California) | 5,441.37 mi (8,757.04 km) |
| Chelmsford to San Mateo (California) | 5,370.43 mi (8,642.87 km) |
| Chelmsford to San Pablo (California) | 5,347.31 mi (8,605.66 km) |
| Chelmsford to San Rafael (California) | 5,350.91 mi (8,611.45 km) |
| Chelmsford to San Ramon (California) | 5,347.18 mi (8,605.45 km) |
| Chelmsford to San Tan Valley (Arizona) | 5,278.92 mi (8,495.61 km) |
| Chelmsford to Sand Springs (Oklahoma) | 4,565.93 mi (7,348.16 km) |
| Chelmsford to Sandusky (Ohio) | 3,794.27 mi (6,106.28 km) |
| Chelmsford to Sandy (Oregon) | 4,913.31 mi (7,907.20 km) |
| Chelmsford to Sandy (Utah) | 4,879.23 mi (7,852.37 km) |
| Chelmsford to Sandy Springs (Georgia) | 4,216.43 mi (6,785.69 km) |
| Chelmsford to Sanford (Florida) | 4,344.25 mi (6,991.40 km) |
