| Centennial to Devnya | 5,990.69 mi (9,641.08 km) |
| Centennial to Dimitrovgrad | 5,998.61 mi (9,653.82 km) |
| Centennial to Dobrich | 5,978.40 mi (9,621.31 km) |
| Centennial to Dospat | 5,977.07 mi (9,619.17 km) |
| Centennial to Dupnitsa | 5,910.67 mi (9,512.30 km) |
| Centennial to Elhovo | 6,020.93 mi (9,689.76 km) |
| Centennial to Etropole | 5,906.59 mi (9,505.74 km) |
| Centennial to Gabrovo | 5,944.99 mi (9,567.53 km) |
| Centennial to Gorna Oryahovitsa | 5,940.99 mi (9,561.11 km) |
| Centennial to Gotse Delchev | 5,968.20 mi (9,604.89 km) |
| Centennial to Harmanli | 6,014.17 mi (9,678.86 km) |
| Centennial to Haskovo | 6,004.13 mi (9,662.71 km) |
| Centennial to Ihtiman | 5,922.80 mi (9,531.82 km) |
| Centennial to Isperih | 5,941.30 mi (9,561.60 km) |
| Centennial to Kardzhali | 6,013.90 mi (9,678.43 km) |
