| Echelon to Crawfordsville (Indiana) | 630.13 mi (1,014.09 km) |
| Echelon to Crest Hill (Illinois) | 696.51 mi (1,120.93 km) |
| Echelon to Crestview (Florida) | 905.13 mi (1,456.67 km) |
| Echelon to Crestwood (Illinois) | 677.88 mi (1,090.94 km) |
| Echelon to Crestwood (Missouri) | 827.39 mi (1,331.55 km) |
| Echelon to Creve Coeur (Missouri) | 829.46 mi (1,334.89 km) |
| Echelon to Crofton (Maryland) | 106.76 mi (171.81 km) |
| Echelon to Crossville (Tennessee) | 609.17 mi (980.37 km) |
| Echelon to Crowley (Louisiana) | 1,183.83 mi (1,905.19 km) |
| Echelon to Crowley (Texas) | 1,339.42 mi (2,155.58 km) |
| Echelon to Crown Point (Indiana) | 655.97 mi (1,055.69 km) |
| Echelon to Crystal (Minnesota) | 999.88 mi (1,609.16 km) |
| Echelon to Crystal Lake (Illinois) | 713.60 mi (1,148.43 km) |
| Echelon to Cudahy (California) | 2,396.85 mi (3,857.36 km) |
| Echelon to Cudahy (Wisconsin) | 699.64 mi (1,125.96 km) |
