| Pittsburgh to Karlskoga | 4,018.58 mi (6,467.29 km) |
| Pittsburgh to Karlskrona | 4,156.16 mi (6,688.69 km) |
| Pittsburgh to Karlstad | 3,985.25 mi (6,413.65 km) |
| Pittsburgh to Katrineholm | 4,082.10 mi (6,569.51 km) |
| Pittsburgh to Kavlinge | 4,084.14 mi (6,572.79 km) |
| Pittsburgh to Kinna | 4,015.44 mi (6,462.22 km) |
| Pittsburgh to Kiruna | 3,915.02 mi (6,300.62 km) |
| Pittsburgh to Klippansbruk | 4,075.06 mi (6,558.18 km) |
| Pittsburgh to Koping | 4,058.63 mi (6,531.74 km) |
| Pittsburgh to Kristianstad | 4,111.26 mi (6,616.44 km) |
| Pittsburgh to Kristinehamn | 4,007.00 mi (6,448.65 km) |
| Pittsburgh to Kumla | 4,044.80 mi (6,509.48 km) |
| Pittsburgh to Kungalv | 3,981.04 mi (6,406.86 km) |
| Pittsburgh to Kungsangen | 4,114.26 mi (6,621.26 km) |
| Pittsburgh to Kungsbacka | 3,995.93 mi (6,430.82 km) |
