| Penafiel to Devnya | 1,825.87 mi (2,938.45 km) |
| Penafiel to Dimitrovgrad | 1,739.42 mi (2,799.33 km) |
| Penafiel to Dobrich | 1,835.85 mi (2,954.51 km) |
| Penafiel to Dospat | 1,671.39 mi (2,689.84 km) |
| Penafiel to Dupnitsa | 1,611.55 mi (2,593.55 km) |
| Penafiel to Elhovo | 1,786.92 mi (2,875.77 km) |
| Penafiel to Etropole | 1,650.82 mi (2,656.73 km) |
| Penafiel to Gabrovo | 1,717.48 mi (2,764.02 km) |
| Penafiel to Gorna Oryahovitsa | 1,733.43 mi (2,789.69 km) |
| Penafiel to Gotse Delchev | 1,650.32 mi (2,655.93 km) |
| Penafiel to Harmanli | 1,755.97 mi (2,825.97 km) |
| Penafiel to Haskovo | 1,739.10 mi (2,798.81 km) |
| Penafiel to Ihtiman | 1,645.18 mi (2,647.66 km) |
| Penafiel to Isperih | 1,784.95 mi (2,872.60 km) |
| Penafiel to Kardzhali | 1,732.38 mi (2,787.99 km) |
