| Echelon to Channelview (Texas) | 1,331.35 mi (2,142.61 km) |
| Echelon to Chantilly (Virginia) | 146.73 mi (236.15 km) |
| Echelon to Chaparral (New Mexico) | 1,827.08 mi (2,940.40 km) |
| Echelon to Chapel Hill (North Carolina) | 349.21 mi (562.01 km) |
| Echelon to Charleston (Illinois) | 700.94 mi (1,128.05 km) |
| Echelon to Charleston (South Carolina) | 558.90 mi (899.47 km) |
| Echelon to Charleston (West Virginia) | 370.53 mi (596.31 km) |
| Echelon to Charlotte (North Carolina) | 452.55 mi (728.30 km) |
| Echelon to Charlottesville (Virginia) | 225.41 mi (362.76 km) |
| Echelon to Chaska (Minnesota) | 1,008.02 mi (1,622.26 km) |
| Echelon to Chatham (Illinois) | 779.86 mi (1,255.06 km) |
| Echelon to Chattanooga (Tennessee) | 651.58 mi (1,048.61 km) |
| Echelon to Cheat Lake (West Virginia) | 258.45 mi (415.94 km) |
| Echelon to Chelsea (Alabama) | 786.11 mi (1,265.12 km) |
| Echelon to Chelsea (Massachusetts) | 271.12 mi (436.33 km) |
