| Upper Grand Lagoon to Chivasso | 4,937.32 mi (7,945.85 km) |
| Upper Grand Lagoon to Ciampino | 5,252.91 mi (8,453.74 km) |
| Upper Grand Lagoon to Cicciano | 5,368.47 mi (8,639.71 km) |
| Upper Grand Lagoon to Cingoli | 5,229.43 mi (8,415.96 km) |
| Upper Grand Lagoon to Cinisello Balsamo | 4,985.46 mi (8,023.33 km) |
| Upper Grand Lagoon to Cinisi | 5,396.66 mi (8,685.08 km) |
| Upper Grand Lagoon to Cirie | 4,923.34 mi (7,923.35 km) |
| Upper Grand Lagoon to Ciro Marina | 5,542.43 mi (8,919.67 km) |
| Upper Grand Lagoon to Cislago | 4,971.59 mi (8,001.00 km) |
| Upper Grand Lagoon to Cisterna di Latina | 5,270.13 mi (8,481.45 km) |
| Upper Grand Lagoon to Cisternino | 5,507.44 mi (8,863.36 km) |
| Upper Grand Lagoon to Citta di Castello | 5,183.24 mi (8,341.61 km) |
| Upper Grand Lagoon to Citta Sant'Angelo | 5,294.51 mi (8,520.69 km) |
| Upper Grand Lagoon to Cittadella | 5,093.97 mi (8,197.95 km) |
| Upper Grand Lagoon to Cittanova | 5,530.52 mi (8,900.52 km) |
