| Pittsburgh to Castrovillari | 4,792.48 mi (7,712.75 km) |
| Pittsburgh to Catania | 4,838.53 mi (7,786.85 km) |
| Pittsburgh to Catanzaro | 4,847.18 mi (7,800.78 km) |
| Pittsburgh to Cattolica | 4,483.19 mi (7,214.99 km) |
| Pittsburgh to Cava de' Tirreni | 4,692.65 mi (7,552.09 km) |
| Pittsburgh to Cavallino | 4,857.03 mi (7,816.63 km) |
| Pittsburgh to Cavarzere | 4,412.69 mi (7,101.53 km) |
| Pittsburgh to Cave | 4,573.34 mi (7,360.08 km) |
| Pittsburgh to Cavriago | 4,364.19 mi (7,023.48 km) |
| Pittsburgh to Cavriglia | 4,447.45 mi (7,157.48 km) |
| Pittsburgh to Cazzago San Martino | 4,311.51 mi (6,938.70 km) |
| Pittsburgh to Ceccano | 4,600.10 mi (7,403.15 km) |
| Pittsburgh to Cecina | 4,413.79 mi (7,103.31 km) |
| Pittsburgh to Cefalu | 4,769.42 mi (7,675.64 km) |
| Pittsburgh to Ceglie Messapico | 4,813.77 mi (7,747.01 km) |
