| River Grove to Devnya | 5,320.38 mi (8,562.33 km) |
| River Grove to Dimitrovgrad | 5,308.78 mi (8,543.65 km) |
| River Grove to Dobrich | 5,312.08 mi (8,548.97 km) |
| River Grove to Dospat | 5,276.32 mi (8,491.42 km) |
| River Grove to Dupnitsa | 5,208.12 mi (8,381.66 km) |
| River Grove to Elhovo | 5,337.58 mi (8,590.01 km) |
| River Grove to Etropole | 5,212.82 mi (8,389.22 km) |
| River Grove to Gabrovo | 5,259.08 mi (8,463.68 km) |
| River Grove to Gorna Oryahovitsa | 5,259.03 mi (8,463.59 km) |
| River Grove to Gotse Delchev | 5,264.45 mi (8,472.31 km) |
| River Grove to Harmanli | 5,325.32 mi (8,570.27 km) |
| River Grove to Haskovo | 5,313.33 mi (8,550.98 km) |
| River Grove to Ihtiman | 5,225.32 mi (8,409.34 km) |
| River Grove to Isperih | 5,269.99 mi (8,481.23 km) |
| River Grove to Kardzhali | 5,320.05 mi (8,561.80 km) |
