| Echelon to Cortona | 4,287.44 mi (6,899.97 km) |
| Echelon to Cosenza | 4,619.80 mi (7,434.86 km) |
| Echelon to Cossato | 4,046.44 mi (6,512.12 km) |
| Echelon to Costa Volpino | 4,121.12 mi (6,632.31 km) |
| Echelon to Creazzo | 4,189.76 mi (6,742.76 km) |
| Echelon to Crema | 4,118.14 mi (6,627.51 km) |
| Echelon to Cremona | 4,140.72 mi (6,663.84 km) |
| Echelon to Crevalcore | 4,202.46 mi (6,763.21 km) |
| Echelon to Crispiano | 4,613.82 mi (7,425.23 km) |
| Echelon to Crosia | 4,632.64 mi (7,455.51 km) |
| Echelon to Crotone | 4,666.74 mi (7,510.39 km) |
| Echelon to Cuneo | 4,056.49 mi (6,528.30 km) |
| Echelon to Cuorgne | 4,029.53 mi (6,484.91 km) |
| Echelon to Cusano Milanino | 4,090.80 mi (6,583.51 km) |
| Echelon to Cutro | 4,662.70 mi (7,503.89 km) |
