| Leonberg to Devnya | 967.15 mi (1,556.48 km) |
| Leonberg to Dimitrovgrad | 926.92 mi (1,491.74 km) |
| Leonberg to Dobrich | 967.02 mi (1,556.27 km) |
| Leonberg to Dospat | 885.15 mi (1,424.51 km) |
| Leonberg to Dupnitsa | 816.55 mi (1,314.11 km) |
| Leonberg to Elhovo | 962.81 mi (1,549.49 km) |
| Leonberg to Etropole | 829.08 mi (1,334.27 km) |
| Leonberg to Gabrovo | 883.70 mi (1,422.18 km) |
| Leonberg to Gorna Oryahovitsa | 889.40 mi (1,431.35 km) |
| Leonberg to Gotse Delchev | 871.54 mi (1,402.60 km) |
| Leonberg to Harmanli | 944.13 mi (1,519.43 km) |
| Leonberg to Haskovo | 930.29 mi (1,497.16 km) |
| Leonberg to Ihtiman | 837.54 mi (1,347.89 km) |
| Leonberg to Isperih | 918.17 mi (1,477.64 km) |
| Leonberg to Kardzhali | 933.80 mi (1,502.81 km) |
