| Mastic Beach to Chivasso | 3,916.29 mi (6,302.66 km) |
| Mastic Beach to Ciampino | 4,235.76 mi (6,816.79 km) |
| Mastic Beach to Cicciano | 4,351.31 mi (7,002.75 km) |
| Mastic Beach to Cingoli | 4,208.08 mi (6,772.25 km) |
| Mastic Beach to Cinisello Balsamo | 3,962.72 mi (6,377.39 km) |
| Mastic Beach to Cinisi | 4,389.63 mi (7,064.43 km) |
| Mastic Beach to Cirie | 3,902.43 mi (6,280.35 km) |
| Mastic Beach to Ciro Marina | 4,526.21 mi (7,284.23 km) |
| Mastic Beach to Cislago | 3,948.82 mi (6,355.01 km) |
| Mastic Beach to Cisterna di Latina | 4,253.27 mi (6,844.97 km) |
| Mastic Beach to Cisternino | 4,487.71 mi (7,222.27 km) |
| Mastic Beach to Citta di Castello | 4,162.51 mi (6,698.91 km) |
| Mastic Beach to Citta Sant'Angelo | 4,274.23 mi (6,878.71 km) |
| Mastic Beach to Cittadella | 4,069.42 mi (6,549.10 km) |
| Mastic Beach to Cittanova | 4,518.44 mi (7,271.72 km) |
