| Duarte to Cortona | 6,225.61 mi (10,019.16 km) |
| Duarte to Cosenza | 6,578.18 mi (10,586.56 km) |
| Duarte to Cossato | 5,982.68 mi (9,628.19 km) |
| Duarte to Costa Volpino | 6,030.65 mi (9,705.39 km) |
| Duarte to Creazzo | 6,089.48 mi (9,800.07 km) |
| Duarte to Crema | 6,041.74 mi (9,723.24 km) |
| Duarte to Cremona | 6,065.07 mi (9,760.79 km) |
| Duarte to Crevalcore | 6,122.38 mi (9,853.02 km) |
| Duarte to Crispiano | 6,536.44 mi (10,519.38 km) |
| Duarte to Crosia | 6,579.70 mi (10,589.00 km) |
| Duarte to Crotone | 6,617.71 mi (10,650.17 km) |
| Duarte to Cuneo | 6,022.97 mi (9,693.04 km) |
| Duarte to Cuorgne | 5,974.91 mi (9,615.70 km) |
| Duarte to Cusano Milanino | 6,016.25 mi (9,682.22 km) |
| Duarte to Cutro | 6,616.30 mi (10,647.90 km) |
