| Upper Grand Lagoon to Devnya | 5,842.39 mi (9,402.43 km) |
| Upper Grand Lagoon to Dimitrovgrad | 5,810.02 mi (9,350.33 km) |
| Upper Grand Lagoon to Dobrich | 5,838.45 mi (9,396.08 km) |
| Upper Grand Lagoon to Dospat | 5,766.04 mi (9,279.54 km) |
| Upper Grand Lagoon to Dupnitsa | 5,697.57 mi (9,169.35 km) |
| Upper Grand Lagoon to Elhovo | 5,845.22 mi (9,406.97 km) |
| Upper Grand Lagoon to Etropole | 5,712.18 mi (9,192.86 km) |
| Upper Grand Lagoon to Gabrovo | 5,765.97 mi (9,279.43 km) |
| Upper Grand Lagoon to Gorna Oryahovitsa | 5,770.22 mi (9,286.27 km) |
| Upper Grand Lagoon to Gotse Delchev | 5,750.99 mi (9,255.32 km) |
| Upper Grand Lagoon to Harmanli | 5,827.22 mi (9,378.01 km) |
| Upper Grand Lagoon to Haskovo | 5,813.37 mi (9,355.72 km) |
| Upper Grand Lagoon to Ihtiman | 5,720.14 mi (9,205.68 km) |
| Upper Grand Lagoon to Isperih | 5,792.25 mi (9,321.72 km) |
| Upper Grand Lagoon to Kardzhali | 5,816.50 mi (9,360.75 km) |
