| Pittsburgh to Devnya | 5,107.37 mi (8,219.51 km) |
| Pittsburgh to Dimitrovgrad | 5,083.81 mi (8,181.60 km) |
| Pittsburgh to Dobrich | 5,101.61 mi (8,210.25 km) |
| Pittsburgh to Dospat | 5,044.86 mi (8,118.91 km) |
| Pittsburgh to Dupnitsa | 4,976.26 mi (8,008.52 km) |
| Pittsburgh to Elhovo | 5,116.32 mi (8,233.93 km) |
| Pittsburgh to Etropole | 4,986.46 mi (8,024.94 km) |
| Pittsburgh to Gabrovo | 5,037.13 mi (8,106.48 km) |
| Pittsburgh to Gorna Oryahovitsa | 5,039.54 mi (8,110.35 km) |
| Pittsburgh to Gotse Delchev | 5,031.20 mi (8,096.94 km) |
| Pittsburgh to Harmanli | 5,100.78 mi (8,208.91 km) |
| Pittsburgh to Haskovo | 5,087.70 mi (8,187.87 km) |
| Pittsburgh to Ihtiman | 4,996.48 mi (8,041.06 km) |
| Pittsburgh to Isperih | 5,056.96 mi (8,138.39 km) |
| Pittsburgh to Kardzhali | 5,092.45 mi (8,195.50 km) |
