| Pittsburgh to Castelfidardo | 4,536.16 mi (7,300.25 km) |
| Pittsburgh to Castelfiorentino | 4,422.51 mi (7,117.34 km) |
| Pittsburgh to Castelfranco di Sopra | 4,446.65 mi (7,156.20 km) |
| Pittsburgh to Castelfranco di Sotto | 4,409.66 mi (7,096.66 km) |
| Pittsburgh to Castelfranco Emilia | 4,389.67 mi (7,064.49 km) |
| Pittsburgh to Castelfranco Veneto | 4,387.21 mi (7,060.54 km) |
| Pittsburgh to Castellabate | 4,720.27 mi (7,596.54 km) |
| Pittsburgh to Castellammare del Golfo | 4,719.27 mi (7,594.93 km) |
| Pittsburgh to Castellammare di Stabia | 4,683.43 mi (7,537.25 km) |
| Pittsburgh to Castellamonte | 4,221.65 mi (6,794.08 km) |
| Pittsburgh to Castellana Grotte | 4,790.17 mi (7,709.03 km) |
| Pittsburgh to Castellaneta | 4,790.50 mi (7,709.56 km) |
| Pittsburgh to Castellanza | 4,263.39 mi (6,861.27 km) |
| Pittsburgh to Castellarano | 4,379.48 mi (7,048.09 km) |
| Pittsburgh to Castelleone | 4,310.60 mi (6,937.24 km) |
