| Pittsburg to Devnya | 6,506.66 mi (10,471.46 km) |
| Pittsburg to Dimitrovgrad | 6,538.77 mi (10,523.14 km) |
| Pittsburg to Dobrich | 6,489.85 mi (10,444.40 km) |
| Pittsburg to Dospat | 6,531.75 mi (10,511.83 km) |
| Pittsburg to Dupnitsa | 6,469.66 mi (10,411.92 km) |
| Pittsburg to Elhovo | 6,552.22 mi (10,544.78 km) |
| Pittsburg to Etropole | 6,454.63 mi (10,387.73 km) |
| Pittsburg to Gabrovo | 6,481.93 mi (10,431.66 km) |
| Pittsburg to Gorna Oryahovitsa | 6,473.14 mi (10,417.51 km) |
| Pittsburg to Gotse Delchev | 6,526.97 mi (10,504.14 km) |
| Pittsburg to Harmanli | 6,552.60 mi (10,545.39 km) |
| Pittsburg to Haskovo | 6,545.35 mi (10,533.72 km) |
| Pittsburg to Ihtiman | 6,475.01 mi (10,420.52 km) |
| Pittsburg to Isperih | 6,460.17 mi (10,396.64 km) |
| Pittsburg to Kardzhali | 6,558.66 mi (10,555.14 km) |
