| Youngsville to Devnya | 6,090.56 mi (9,801.82 km) |
| Youngsville to Dimitrovgrad | 6,066.94 mi (9,763.79 km) |
| Youngsville to Dobrich | 6,084.69 mi (9,792.36 km) |
| Youngsville to Dospat | 6,027.51 mi (9,700.34 km) |
| Youngsville to Dupnitsa | 5,958.91 mi (9,589.94 km) |
| Youngsville to Elhovo | 6,099.58 mi (9,816.32 km) |
| Youngsville to Etropole | 5,969.54 mi (9,607.04 km) |
| Youngsville to Gabrovo | 6,020.38 mi (9,688.86 km) |
| Youngsville to Gorna Oryahovitsa | 6,022.82 mi (9,692.80 km) |
| Youngsville to Gotse Delchev | 6,013.68 mi (9,678.08 km) |
| Youngsville to Harmanli | 6,083.92 mi (9,791.13 km) |
| Youngsville to Haskovo | 6,070.79 mi (9,770.00 km) |
| Youngsville to Ihtiman | 5,979.39 mi (9,622.89 km) |
| Youngsville to Isperih | 6,040.15 mi (9,720.68 km) |
| Youngsville to Kardzhali | 6,075.41 mi (9,777.43 km) |
