| Mount Washington to Chivasso | 4,572.52 mi (7,358.76 km) |
| Mount Washington to Ciampino | 4,897.66 mi (7,882.02 km) |
| Mount Washington to Cicciano | 5,012.77 mi (8,067.28 km) |
| Mount Washington to Cingoli | 4,862.50 mi (7,825.43 km) |
| Mount Washington to Cinisello Balsamo | 4,615.01 mi (7,427.14 km) |
| Mount Washington to Cinisi | 5,063.40 mi (8,148.76 km) |
| Mount Washington to Cirie | 4,558.95 mi (7,336.92 km) |
| Mount Washington to Ciro Marina | 5,188.52 mi (8,350.11 km) |
| Mount Washington to Cislago | 4,601.09 mi (7,404.74 km) |
| Mount Washington to Cisterna di Latina | 4,915.55 mi (7,910.81 km) |
| Mount Washington to Cisternino | 5,144.31 mi (8,278.97 km) |
| Mount Washington to Citta di Castello | 4,818.38 mi (7,754.44 km) |
| Mount Washington to Citta Sant'Angelo | 4,930.55 mi (7,934.95 km) |
| Mount Washington to Cittadella | 4,716.49 mi (7,590.45 km) |
| Mount Washington to Cittanova | 5,186.31 mi (8,346.56 km) |
