| Pittsburgh to Isny im Allgau | 4,238.42 mi (6,821.08 km) |
| Pittsburgh to Isselburg | 3,964.15 mi (6,379.68 km) |
| Pittsburgh to Issum | 3,971.29 mi (6,391.17 km) |
| Pittsburgh to Itzehoe | 4,015.27 mi (6,461.95 km) |
| Pittsburgh to Jena | 4,188.91 mi (6,741.40 km) |
| Pittsburgh to Jever | 3,966.47 mi (6,383.42 km) |
| Pittsburgh to Jork | 4,033.35 mi (6,491.05 km) |
| Pittsburgh to Juchen | 3,987.52 mi (6,417.30 km) |
| Pittsburgh to Julich | 3,987.35 mi (6,417.02 km) |
| Pittsburgh to Juterbog | 4,208.55 mi (6,773.00 km) |
| Pittsburgh to Kaarst | 3,988.50 mi (6,418.87 km) |
| Pittsburgh to Kaiserslautern | 4,089.15 mi (6,580.85 km) |
| Pittsburgh to Kalkar | 3,960.24 mi (6,373.39 km) |
| Pittsburgh to Kall | 4,006.22 mi (6,447.39 km) |
| Pittsburgh to Kaltenkirchen | 4,034.08 mi (6,492.22 km) |
