| Chelmsford to Cookeville (Tennessee) | 4,154.37 mi (6,685.82 km) |
| Chelmsford to Coolidge (Arizona) | 5,291.15 mi (8,515.29 km) |
| Chelmsford to Coon Rapids (Minnesota) | 4,016.40 mi (6,463.77 km) |
| Chelmsford to Cooper City (Florida) | 4,441.08 mi (7,147.23 km) |
| Chelmsford to Coos Bay (Oregon) | 5,083.11 mi (8,180.48 km) |
| Chelmsford to Copiague (New York) | 3,457.95 mi (5,565.03 km) |
| Chelmsford to Coppell (Texas) | 4,762.13 mi (7,663.91 km) |
| Chelmsford to Copperas Cove (Texas) | 4,893.96 mi (7,876.07 km) |
| Chelmsford to Coral Gables (Florida) | 4,457.86 mi (7,174.24 km) |
| Chelmsford to Coral Springs (Florida) | 4,428.58 mi (7,127.11 km) |
| Chelmsford to Coral Terrace (Florida) | 4,457.10 mi (7,173.01 km) |
| Chelmsford to Coralville (Iowa) | 4,120.39 mi (6,631.13 km) |
| Chelmsford to Coram (New York) | 3,433.09 mi (5,525.02 km) |
| Chelmsford to Corcoran (California) | 5,373.46 mi (8,647.75 km) |
| Chelmsford to Cordele (Georgia) | 4,289.54 mi (6,903.35 km) |
