| Pittsburgh to Castelletto sopra Ticino | 4,248.79 mi (6,837.77 km) |
| Pittsburgh to Castelli Calepio | 4,304.46 mi (6,927.36 km) |
| Pittsburgh to Castelnovo ne' Monti | 4,368.22 mi (7,029.97 km) |
| Pittsburgh to Castelnuovo Berardenga | 4,454.62 mi (7,169.02 km) |
| Pittsburgh to Castelnuovo di Porto | 4,542.69 mi (7,310.75 km) |
| Pittsburgh to Castelnuovo di Verona | 4,347.53 mi (6,996.68 km) |
| Pittsburgh to Castelnuovo Rangone | 4,386.37 mi (7,059.18 km) |
| Pittsburgh to Castelvetrano | 4,729.01 mi (7,610.60 km) |
| Pittsburgh to Castelvetro di Modena | 4,388.89 mi (7,063.23 km) |
| Pittsburgh to Castenaso | 4,410.31 mi (7,097.71 km) |
| Pittsburgh to Castenedolo | 4,326.71 mi (6,963.17 km) |
| Pittsburgh to Castiglion Fiorentino | 4,472.29 mi (7,197.46 km) |
| Pittsburgh to Castiglione del Lago | 4,485.43 mi (7,218.61 km) |
| Pittsburgh to Castiglione delle Stiviere | 4,337.66 mi (6,980.80 km) |
| Pittsburgh to Castrolibero | 4,812.84 mi (7,745.52 km) |
