| Pittsburgh to Cassina de' Pecchi | 4,286.37 mi (6,898.24 km) |
| Pittsburgh to Cassino | 4,624.08 mi (7,441.73 km) |
| Pittsburgh to Castagneto Carducci | 4,422.85 mi (7,117.89 km) |
| Pittsburgh to Castano Primo | 4,260.14 mi (6,856.03 km) |
| Pittsburgh to Castel Bolognese | 4,431.17 mi (7,131.28 km) |
| Pittsburgh to Castel Gandolfo | 4,563.96 mi (7,344.99 km) |
| Pittsburgh to Castel Goffredo | 4,340.27 mi (6,984.99 km) |
| Pittsburgh to Castel Maggiore | 4,403.89 mi (7,087.37 km) |
| Pittsburgh to Castel Mella | 4,319.57 mi (6,951.67 km) |
| Pittsburgh to Castel San Giorgio | 4,689.34 mi (7,546.77 km) |
| Pittsburgh to Castel San Giovanni | 4,305.58 mi (6,929.16 km) |
| Pittsburgh to Castel San Pietro Terme | 4,419.05 mi (7,111.77 km) |
| Pittsburgh to Castel Volturno | 4,645.24 mi (7,475.80 km) |
| Pittsburgh to Castelbuono | 4,777.13 mi (7,688.05 km) |
| Pittsburgh to Casteldaccia | 4,747.33 mi (7,640.10 km) |
