| Potomac Park to Devnya | 6,612.76 mi (10,642.21 km) |
| Potomac Park to Dimitrovgrad | 6,637.81 mi (10,682.52 km) |
| Potomac Park to Dobrich | 6,597.19 mi (10,617.16 km) |
| Potomac Park to Dospat | 6,626.31 mi (10,664.02 km) |
| Potomac Park to Dupnitsa | 6,562.66 mi (10,561.58 km) |
| Potomac Park to Elhovo | 6,653.98 mi (10,708.54 km) |
| Potomac Park to Etropole | 6,550.95 mi (10,542.74 km) |
| Potomac Park to Gabrovo | 6,581.72 mi (10,592.26 km) |
| Potomac Park to Gorna Oryahovitsa | 6,574.34 mi (10,580.37 km) |
| Potomac Park to Gotse Delchev | 6,620.25 mi (10,654.26 km) |
| Potomac Park to Harmanli | 6,652.21 mi (10,705.69 km) |
| Potomac Park to Haskovo | 6,644.09 mi (10,692.62 km) |
| Potomac Park to Ihtiman | 6,570.13 mi (10,573.60 km) |
| Potomac Park to Isperih | 6,565.24 mi (10,565.73 km) |
| Potomac Park to Kardzhali | 6,656.37 mi (10,712.40 km) |
