| Didymoteicho to Ciampino | 718.35 mi (1,156.07 km) |
| Didymoteicho to Cicciano | 622.58 mi (1,001.94 km) |
| Didymoteicho to Cingoli | 691.56 mi (1,112.96 km) |
| Didymoteicho to Cinisello Balsamo | 912.05 mi (1,467.80 km) |
| Didymoteicho to Cinisi | 744.05 mi (1,197.43 km) |
| Didymoteicho to Cirie | 985.05 mi (1,585.29 km) |
| Didymoteicho to Ciro Marina | 511.76 mi (823.60 km) |
| Didymoteicho to Cislago | 925.34 mi (1,489.19 km) |
| Didymoteicho to Cisterna di Latina | 707.26 mi (1,138.22 km) |
| Didymoteicho to Cisternino | 474.19 mi (763.13 km) |
| Didymoteicho to Citta di Castello | 740.81 mi (1,192.23 km) |
| Didymoteicho to Citta Sant'Angelo | 644.39 mi (1,037.05 km) |
| Didymoteicho to Cittadella | 793.68 mi (1,277.30 km) |
| Didymoteicho to Cittanova | 589.67 mi (948.99 km) |
| Didymoteicho to Cividale del Friuli | 729.10 mi (1,173.38 km) |
