| Pittsburgh to Lapua | 4,145.24 mi (6,671.12 km) |
| Pittsburgh to Laukaa | 4,244.46 mi (6,830.80 km) |
| Pittsburgh to Lauritsala | 4,359.50 mi (7,015.94 km) |
| Pittsburgh to Lempaala | 4,225.73 mi (6,800.65 km) |
| Pittsburgh to Leppavirta | 4,290.09 mi (6,904.23 km) |
| Pittsburgh to Lieksa | 4,314.02 mi (6,942.75 km) |
| Pittsburgh to Lieto | 4,218.76 mi (6,789.44 km) |
| Pittsburgh to Liminka | 4,141.19 mi (6,664.61 km) |
| Pittsburgh to Liperi | 4,329.86 mi (6,968.24 km) |
| Pittsburgh to Lohja | 4,274.62 mi (6,879.34 km) |
| Pittsburgh to Loimaa | 4,223.41 mi (6,796.93 km) |
| Pittsburgh to Loviisa | 4,328.06 mi (6,965.34 km) |
| Pittsburgh to Mantsala | 4,295.53 mi (6,912.98 km) |
| Pittsburgh to Mariehamn | 4,159.21 mi (6,693.60 km) |
| Pittsburgh to Masku | 4,206.08 mi (6,769.03 km) |
