| Echelon to Campo de Criptana | 3,714.17 mi (5,977.38 km) |
| Echelon to Campos del Puerto | 4,006.52 mi (6,447.87 km) |
| Echelon to Canals | 3,849.42 mi (6,195.04 km) |
| Echelon to Candelaria | 3,385.48 mi (5,448.40 km) |
| Echelon to Canet de Mar | 3,918.40 mi (6,306.06 km) |
| Echelon to Cangas | 3,364.34 mi (5,414.38 km) |
| Echelon to Cangas de Narcea | 3,448.40 mi (5,549.66 km) |
| Echelon to Canovellas | 3,903.62 mi (6,282.27 km) |
| Echelon to Canteras | 3,869.24 mi (6,226.95 km) |
| Echelon to Cantillana | 3,635.36 mi (5,850.54 km) |
| Echelon to Capdepera | 4,017.40 mi (6,465.38 km) |
| Echelon to Carballo | 3,346.13 mi (5,385.07 km) |
| Echelon to Carcagente | 3,850.99 mi (6,197.58 km) |
| Echelon to Cardedeu | 3,906.54 mi (6,286.97 km) |
| Echelon to Carlet | 3,844.33 mi (6,186.85 km) |
