| Rock Springs to Devnya | 5,991.19 mi (9,641.88 km) |
| Rock Springs to Dimitrovgrad | 6,007.74 mi (9,668.52 km) |
| Rock Springs to Dobrich | 5,977.26 mi (9,619.47 km) |
| Rock Springs to Dospat | 5,991.36 mi (9,642.17 km) |
| Rock Springs to Dupnitsa | 5,926.27 mi (9,537.41 km) |
| Rock Springs to Elhovo | 6,026.98 mi (9,699.49 km) |
| Rock Springs to Etropole | 5,918.19 mi (9,524.40 km) |
| Rock Springs to Gabrovo | 5,952.74 mi (9,580.01 km) |
| Rock Springs to Gorna Oryahovitsa | 5,947.01 mi (9,570.79 km) |
| Rock Springs to Gotse Delchev | 5,983.95 mi (9,630.24 km) |
| Rock Springs to Harmanli | 6,022.74 mi (9,692.66 km) |
| Rock Springs to Haskovo | 6,013.66 mi (9,678.05 km) |
| Rock Springs to Ihtiman | 5,935.97 mi (9,553.03 km) |
| Rock Springs to Isperih | 5,942.61 mi (9,563.70 km) |
| Rock Springs to Kardzhali | 6,024.74 mi (9,695.89 km) |
