| Echelon to Central Point (Oregon) | 2,467.24 mi (3,970.64 km) |
| Echelon to Centralia (Illinois) | 761.31 mi (1,225.20 km) |
| Echelon to Centralia (Washington) | 2,420.36 mi (3,895.20 km) |
| Echelon to Centreville (Virginia) | 148.00 mi (238.18 km) |
| Echelon to Ceres (California) | 2,455.37 mi (3,951.54 km) |
| Echelon to Cerritos (California) | 2,393.34 mi (3,851.70 km) |
| Echelon to Chalco (Nebraska) | 1,111.47 mi (1,788.74 km) |
| Echelon to Chalmette (Louisiana) | 1,087.32 mi (1,749.87 km) |
| Echelon to Chambersburg (Pennsylvania) | 141.12 mi (227.12 km) |
| Echelon to Chamblee (Georgia) | 658.42 mi (1,059.62 km) |
| Echelon to Champaign (Illinois) | 702.57 mi (1,130.67 km) |
| Echelon to Champlin (Minnesota) | 1,003.65 mi (1,615.22 km) |
| Echelon to Chandler (Arizona) | 2,079.53 mi (3,346.68 km) |
| Echelon to Chanhassen (Minnesota) | 1,006.40 mi (1,619.64 km) |
| Echelon to Channahon (Illinois) | 703.20 mi (1,131.70 km) |
