| Round Lake to Devnya | 5,308.29 mi (8,542.86 km) |
| Round Lake to Dimitrovgrad | 5,297.67 mi (8,525.78 km) |
| Round Lake to Dobrich | 5,299.78 mi (8,529.18 km) |
| Round Lake to Dospat | 5,265.78 mi (8,474.46 km) |
| Round Lake to Dupnitsa | 5,197.64 mi (8,364.79 km) |
| Round Lake to Elhovo | 5,326.16 mi (8,571.62 km) |
| Round Lake to Etropole | 5,201.87 mi (8,371.60 km) |
| Round Lake to Gabrovo | 5,247.74 mi (8,445.43 km) |
| Round Lake to Gorna Oryahovitsa | 5,247.49 mi (8,445.02 km) |
| Round Lake to Gotse Delchev | 5,254.06 mi (8,455.59 km) |
| Round Lake to Harmanli | 5,314.17 mi (8,552.33 km) |
| Round Lake to Haskovo | 5,302.28 mi (8,533.19 km) |
| Round Lake to Ihtiman | 5,214.57 mi (8,392.04 km) |
| Round Lake to Isperih | 5,257.91 mi (8,461.80 km) |
| Round Lake to Kardzhali | 5,309.17 mi (8,544.28 km) |
