| Echelon to Willow Grove (Pennsylvania) | 21.62 mi (34.79 km) |
| Echelon to Willowbrook (California) | 2,400.76 mi (3,863.64 km) |
| Echelon to Willowick (Ohio) | 360.47 mi (580.12 km) |
| Echelon to Wilmette (Illinois) | 681.23 mi (1,096.33 km) |
| Echelon to Wilmington (Delaware) | 29.90 mi (48.12 km) |
| Echelon to Wilmington (North Carolina) | 420.87 mi (677.33 km) |
| Echelon to Wilmington (Ohio) | 469.85 mi (756.16 km) |
| Echelon to Wilmington Island (Georgia) | 636.58 mi (1,024.48 km) |
| Echelon to Wilson (North Carolina) | 326.39 mi (525.27 km) |
| Echelon to Wilsonville (Oregon) | 2,423.52 mi (3,900.27 km) |
| Echelon to Wilton Manors (Florida) | 991.17 mi (1,595.13 km) |
| Echelon to Wimauma (Florida) | 937.80 mi (1,509.25 km) |
| Echelon to Winchester (Kentucky) | 510.19 mi (821.08 km) |
| Echelon to Winchester (Nevada) | 2,182.37 mi (3,512.19 km) |
| Echelon to Winchester (Virginia) | 175.74 mi (282.82 km) |
