| Echelon to Portage (Michigan) | 575.23 mi (925.75 km) |
| Echelon to Portage (Wisconsin) | 787.82 mi (1,267.88 km) |
| Echelon to Portales (New Mexico) | 1,605.68 mi (2,584.09 km) |
| Echelon to Porterville (California) | 2,389.12 mi (3,844.92 km) |
| Echelon to Portland (Maine) | 359.42 mi (578.43 km) |
| Echelon to Portland (Oregon) | 2,415.52 mi (3,887.40 km) |
| Echelon to Portland (Tennessee) | 664.38 mi (1,069.22 km) |
| Echelon to Portland (Texas) | 1,517.54 mi (2,442.24 km) |
| Echelon to Portsmouth (New Hampshire) | 311.02 mi (500.54 km) |
| Echelon to Portsmouth (Ohio) | 431.51 mi (694.46 km) |
| Echelon to Portsmouth (Virginia) | 220.04 mi (354.12 km) |
| Echelon to Post Falls (Idaho) | 2,133.51 mi (3,433.55 km) |
| Echelon to Potomac (Maryland) | 130.72 mi (210.37 km) |
| Echelon to Potomac Park (California) | 2,402.35 mi (3,866.20 km) |
| Echelon to Pottstown (Pennsylvania) | 44.17 mi (71.09 km) |
