| Pittsburgh to Cervignano del Friuli | 4,438.70 mi (7,143.40 km) |
| Pittsburgh to Cesa | 4,662.09 mi (7,502.92 km) |
| Pittsburgh to Cesano Maderno | 4,273.16 mi (6,876.98 km) |
| Pittsburgh to Cesena | 4,456.33 mi (7,171.77 km) |
| Pittsburgh to Cesenatico | 4,460.32 mi (7,178.19 km) |
| Pittsburgh to Cetraro | 4,794.60 mi (7,716.16 km) |
| Pittsburgh to Cherasco | 4,253.41 mi (6,845.21 km) |
| Pittsburgh to Chiampo | 4,364.70 mi (7,024.30 km) |
| Pittsburgh to Chiaravalle | 4,522.10 mi (7,277.61 km) |
| Pittsburgh to Chiari | 4,307.78 mi (6,932.70 km) |
| Pittsburgh to Chiavari | 4,327.37 mi (6,964.23 km) |
| Pittsburgh to Chieri | 4,238.95 mi (6,821.93 km) |
| Pittsburgh to Chieti | 4,605.14 mi (7,411.26 km) |
| Pittsburgh to Chioggia | 4,417.78 mi (7,109.74 km) |
| Pittsburgh to Chiusi | 4,485.86 mi (7,219.29 km) |
