| Potomac to Devnya | 5,066.89 mi (8,154.37 km) |
| Potomac to Dimitrovgrad | 5,037.63 mi (8,107.28 km) |
| Potomac to Dobrich | 5,062.37 mi (8,147.10 km) |
| Potomac to Dospat | 4,995.62 mi (8,039.67 km) |
| Potomac to Dupnitsa | 4,927.05 mi (7,929.32 km) |
| Potomac to Elhovo | 5,071.84 mi (8,162.34 km) |
| Potomac to Etropole | 4,939.91 mi (7,950.02 km) |
| Potomac to Gabrovo | 4,992.56 mi (8,034.76 km) |
| Potomac to Gorna Oryahovitsa | 4,996.15 mi (8,040.53 km) |
| Potomac to Gotse Delchev | 4,981.14 mi (8,016.37 km) |
| Potomac to Harmanli | 5,054.75 mi (8,134.84 km) |
| Potomac to Haskovo | 5,041.19 mi (8,113.01 km) |
| Potomac to Ihtiman | 4,948.69 mi (7,964.14 km) |
| Potomac to Isperih | 5,016.64 mi (8,073.49 km) |
| Potomac to Kardzhali | 5,044.95 mi (8,119.07 km) |
