| Pittsburgh to Klaukkala | 4,289.11 mi (6,902.65 km) |
| Pittsburgh to Kokkola | 4,117.79 mi (6,626.94 km) |
| Pittsburgh to Kontiolahti | 4,332.29 mi (6,972.15 km) |
| Pittsburgh to Korsholm | 4,104.34 mi (6,605.30 km) |
| Pittsburgh to Kotka | 4,347.53 mi (6,996.67 km) |
| Pittsburgh to Kouvola | 4,325.04 mi (6,960.49 km) |
| Pittsburgh to Kuhmo | 4,268.91 mi (6,870.15 km) |
| Pittsburgh to Kuopio | 4,271.46 mi (6,874.24 km) |
| Pittsburgh to Kurikka | 4,141.31 mi (6,664.79 km) |
| Pittsburgh to Kuusamo | 4,188.05 mi (6,740.02 km) |
| Pittsburgh to Kuusankoski | 4,321.23 mi (6,954.36 km) |
| Pittsburgh to Lahti | 4,291.34 mi (6,906.24 km) |
| Pittsburgh to Laitila | 4,183.31 mi (6,732.38 km) |
| Pittsburgh to Lapinlahti | 4,245.34 mi (6,832.21 km) |
| Pittsburgh to Lappeenranta | 4,357.60 mi (7,012.88 km) |
