| Rock Island to Chivasso | 4,623.60 mi (7,440.97 km) |
| Rock Island to Ciampino | 4,953.93 mi (7,972.59 km) |
| Rock Island to Cicciano | 5,067.58 mi (8,155.48 km) |
| Rock Island to Cingoli | 4,908.85 mi (7,900.03 km) |
| Rock Island to Cinisello Balsamo | 4,660.60 mi (7,500.51 km) |
| Rock Island to Cinisi | 5,136.63 mi (8,266.60 km) |
| Rock Island to Cirie | 4,610.53 mi (7,419.93 km) |
| Rock Island to Ciro Marina | 5,243.24 mi (8,438.19 km) |
| Rock Island to Cislago | 4,646.78 mi (7,478.27 km) |
| Rock Island to Cisterna di Latina | 4,972.24 mi (8,002.05 km) |
| Rock Island to Cisternino | 5,191.41 mi (8,354.77 km) |
| Rock Island to Citta di Castello | 4,867.01 mi (7,832.69 km) |
| Rock Island to Citta Sant'Angelo | 4,978.89 mi (8,012.75 km) |
| Rock Island to Cittadella | 4,754.68 mi (7,651.93 km) |
| Rock Island to Cittanova | 5,249.30 mi (8,447.94 km) |
