| Ploermel to Devnya | 1,475.40 mi (2,374.42 km) |
| Ploermel to Dimitrovgrad | 1,418.26 mi (2,282.46 km) |
| Ploermel to Dobrich | 1,478.37 mi (2,379.20 km) |
| Ploermel to Dospat | 1,364.96 mi (2,196.70 km) |
| Ploermel to Dupnitsa | 1,297.70 mi (2,088.44 km) |
| Ploermel to Elhovo | 1,459.26 mi (2,348.45 km) |
| Ploermel to Etropole | 1,321.34 mi (2,126.50 km) |
| Ploermel to Gabrovo | 1,381.88 mi (2,223.92 km) |
| Ploermel to Gorna Oryahovitsa | 1,391.35 mi (2,239.16 km) |
| Ploermel to Gotse Delchev | 1,347.82 mi (2,169.11 km) |
| Ploermel to Harmanli | 1,435.64 mi (2,310.44 km) |
| Ploermel to Haskovo | 1,420.31 mi (2,285.76 km) |
| Ploermel to Ihtiman | 1,324.51 mi (2,131.60 km) |
| Ploermel to Isperih | 1,428.16 mi (2,298.40 km) |
| Ploermel to Kardzhali | 1,419.97 mi (2,285.22 km) |
