| Echelon to Caldicot | 3,430.07 mi (5,520.16 km) |
| Echelon to Calne | 3,463.75 mi (5,574.37 km) |
| Echelon to Cam | 3,443.75 mi (5,542.18 km) |
| Echelon to Camberley | 3,517.85 mi (5,661.43 km) |
| Echelon to Camborne | 3,349.75 mi (5,390.90 km) |
| Echelon to Cambridge | 3,534.57 mi (5,688.34 km) |
| Echelon to Cambuslang | 3,302.66 mi (5,315.11 km) |
| Echelon to Canford Cliffs | 3,482.00 mi (5,603.74 km) |
| Echelon to Cannock | 3,438.35 mi (5,533.49 km) |
| Echelon to Canterbury | 3,593.72 mi (5,783.53 km) |
| Echelon to Carlisle | 3,363.56 mi (5,413.12 km) |
| Echelon to Carlton Colville | 3,592.31 mi (5,781.26 km) |
| Echelon to Carluke | 3,316.53 mi (5,337.45 km) |
| Echelon to Carnoustie | 3,347.67 mi (5,387.56 km) |
| Echelon to Carshalton | 3,540.78 mi (5,698.34 km) |
