| Echelon to Colton (California) | 2,349.08 mi (3,780.48 km) |
| Echelon to Columbia (Illinois) | 820.09 mi (1,319.81 km) |
| Echelon to Columbia (Maryland) | 108.92 mi (175.29 km) |
| Echelon to Columbia (Missouri) | 925.99 mi (1,490.23 km) |
| Echelon to Columbia (Pennsylvania) | 80.43 mi (129.44 km) |
| Echelon to Columbia (South Carolina) | 517.03 mi (832.09 km) |
| Echelon to Columbia (Tennessee) | 719.56 mi (1,158.02 km) |
| Echelon to Columbia Heights (Minnesota) | 994.75 mi (1,600.89 km) |
| Echelon to Columbine (Colorado) | 1,590.80 mi (2,560.15 km) |
| Echelon to Columbus (Georgia) | 747.95 mi (1,203.70 km) |
| Echelon to Columbus (Indiana) | 583.39 mi (938.88 km) |
| Echelon to Columbus (Mississippi) | 861.36 mi (1,386.23 km) |
| Echelon to Columbus (Nebraska) | 1,174.15 mi (1,889.62 km) |
| Echelon to Columbus (Ohio) | 423.37 mi (681.34 km) |
| Echelon to Commack (New York) | 113.40 mi (182.50 km) |
