| Euclid to Chivasso | 4,252.64 mi (6,843.96 km) |
| Euclid to Ciampino | 4,578.94 mi (7,369.09 km) |
| Euclid to Cicciano | 4,693.85 mi (7,554.03 km) |
| Euclid to Cingoli | 4,542.01 mi (7,309.65 km) |
| Euclid to Cinisello Balsamo | 4,294.24 mi (6,910.91 km) |
| Euclid to Cinisi | 4,748.44 mi (7,641.87 km) |
| Euclid to Cirie | 4,239.14 mi (6,822.24 km) |
| Euclid to Ciro Marina | 4,869.70 mi (7,837.02 km) |
| Euclid to Cislago | 4,280.33 mi (6,888.53 km) |
| Euclid to Cisterna di Latina | 4,596.92 mi (7,398.03 km) |
| Euclid to Cisternino | 4,824.11 mi (7,763.66 km) |
| Euclid to Citta di Castello | 4,498.24 mi (7,239.22 km) |
| Euclid to Citta Sant'Angelo | 4,610.43 mi (7,419.77 km) |
| Euclid to Cittadella | 4,394.68 mi (7,072.55 km) |
| Euclid to Cittanova | 4,869.14 mi (7,836.12 km) |
