| Pittsburgh to Islahiye | 5,748.51 mi (9,251.34 km) |
| Pittsburgh to Isparta | 5,476.90 mi (8,814.22 km) |
| Pittsburgh to Istanbul | 5,261.58 mi (8,467.69 km) |
| Pittsburgh to Izmir | 5,309.47 mi (8,544.77 km) |
| Pittsburgh to Kadinhani | 5,519.07 mi (8,882.09 km) |
| Pittsburgh to Kadirli | 5,711.00 mi (9,190.96 km) |
| Pittsburgh to Kagithane | 5,259.32 mi (8,464.05 km) |
| Pittsburgh to Kahramanmaras | 5,731.64 mi (9,224.18 km) |
| Pittsburgh to Kahta | 5,784.24 mi (9,308.83 km) |
| Pittsburgh to Kaman | 5,522.81 mi (8,888.11 km) |
| Pittsburgh to Kangal | 5,665.06 mi (9,117.03 km) |
| Pittsburgh to Kapakli | 5,208.56 mi (8,382.36 km) |
| Pittsburgh to Karaagac | 5,752.49 mi (9,257.73 km) |
| Pittsburgh to Karaagac | 5,209.43 mi (8,383.77 km) |
| Pittsburgh to Karabuk | 5,392.37 mi (8,678.18 km) |
