| Pittsburgh to Caltagirone | 4,823.60 mi (7,762.84 km) |
| Pittsburgh to Caltanissetta | 4,793.34 mi (7,714.14 km) |
| Pittsburgh to Calvisano | 4,333.08 mi (6,973.42 km) |
| Pittsburgh to Calvizzano | 4,662.58 mi (7,503.69 km) |
| Pittsburgh to Camaiore | 4,382.10 mi (7,052.30 km) |
| Pittsburgh to Cameri | 4,256.99 mi (6,850.97 km) |
| Pittsburgh to Camisano Vicentino | 4,383.77 mi (7,054.99 km) |
| Pittsburgh to Campagna | 4,711.11 mi (7,581.79 km) |
| Pittsburgh to Campagnano di Roma | 4,537.70 mi (7,302.72 km) |
| Pittsburgh to Campi Bisenzio | 4,421.59 mi (7,115.85 km) |
| Pittsburgh to Campi Salentina | 4,845.85 mi (7,798.64 km) |
| Pittsburgh to Campiglia Marittima | 4,427.24 mi (7,124.96 km) |
| Pittsburgh to Campobasso | 4,656.96 mi (7,494.66 km) |
| Pittsburgh to Campobello di Licata | 4,796.56 mi (7,719.32 km) |
| Pittsburgh to Campobello di Mazara | 4,729.07 mi (7,610.71 km) |
