| Echelon to Cividale del Friuli | 4,253.14 mi (6,844.77 km) |
| Echelon to Civita Castellana | 4,339.90 mi (6,984.40 km) |
| Echelon to Civitanova Marche | 4,362.45 mi (7,020.68 km) |
| Echelon to Civitavecchia | 4,319.79 mi (6,952.04 km) |
| Echelon to Civitella in Val di Chiana | 4,270.77 mi (6,873.14 km) |
| Echelon to Clusone | 4,113.07 mi (6,619.35 km) |
| Echelon to Coccaglio | 4,124.51 mi (6,637.76 km) |
| Echelon to Codigoro | 4,240.08 mi (6,823.75 km) |
| Echelon to Codogno | 4,125.71 mi (6,639.68 km) |
| Echelon to Codroipo | 4,238.74 mi (6,821.59 km) |
| Echelon to Cogoleto | 4,104.40 mi (6,605.39 km) |
| Echelon to Colle di Val d'Elsa | 4,245.83 mi (6,833.01 km) |
| Echelon to Colle Salvetti | 4,210.65 mi (6,776.38 km) |
| Echelon to Collecchio | 4,161.08 mi (6,696.62 km) |
| Echelon to Colleferro | 4,386.53 mi (7,059.44 km) |
