| Pittsburg to Chivasso | 5,894.64 mi (9,486.51 km) |
| Pittsburg to Ciampino | 6,222.72 mi (10,014.50 km) |
| Pittsburg to Cicciano | 6,326.08 mi (10,180.85 km) |
| Pittsburg to Cingoli | 6,150.50 mi (9,898.27 km) |
| Pittsburg to Cinisello Balsamo | 5,913.63 mi (9,517.07 km) |
| Pittsburg to Cinisi | 6,445.54 mi (10,373.10 km) |
| Pittsburg to Cirie | 5,883.71 mi (9,468.92 km) |
| Pittsburg to Ciro Marina | 6,492.29 mi (10,448.34 km) |
| Pittsburg to Cislago | 5,900.88 mi (9,496.55 km) |
| Pittsburg to Cisterna di Latina | 6,241.29 mi (10,044.39 km) |
| Pittsburg to Cisternino | 6,419.91 mi (10,331.84 km) |
| Pittsburg to Citta di Castello | 6,117.73 mi (9,845.54 km) |
| Pittsburg to Citta Sant'Angelo | 6,222.73 mi (10,014.52 km) |
| Pittsburg to Cittadella | 5,980.37 mi (9,624.48 km) |
| Pittsburg to Cittanova | 6,522.90 mi (10,497.59 km) |
