| McDonough to Chivasso | 4,717.81 mi (7,592.58 km) |
| McDonough to Ciampino | 5,036.34 mi (8,105.20 km) |
| McDonough to Cicciano | 5,151.91 mi (8,291.20 km) |
| McDonough to Cingoli | 5,009.68 mi (8,062.30 km) |
| McDonough to Cinisello Balsamo | 4,764.51 mi (7,667.74 km) |
| McDonough to Cinisi | 5,186.47 mi (8,346.82 km) |
| McDonough to Cirie | 4,703.92 mi (7,570.22 km) |
| McDonough to Ciro Marina | 5,326.56 mi (8,572.28 km) |
| McDonough to Cislago | 4,750.61 mi (7,645.37 km) |
| McDonough to Cisterna di Latina | 5,053.76 mi (8,133.25 km) |
| McDonough to Cisternino | 5,289.01 mi (8,511.84 km) |
| McDonough to Citta di Castello | 4,963.99 mi (7,988.77 km) |
| McDonough to Citta Sant'Angelo | 5,075.63 mi (8,168.43 km) |
| McDonough to Cittadella | 4,871.32 mi (7,839.63 km) |
| McDonough to Cittanova | 5,317.37 mi (8,557.47 km) |
