| Formby to Devnya | 1,560.14 mi (2,510.81 km) |
| Formby to Dimitrovgrad | 1,534.30 mi (2,469.22 km) |
| Formby to Dobrich | 1,556.00 mi (2,504.14 km) |
| Formby to Dospat | 1,497.77 mi (2,410.43 km) |
| Formby to Dupnitsa | 1,429.34 mi (2,300.31 km) |
| Formby to Elhovo | 1,566.60 mi (2,521.20 km) |
| Formby to Etropole | 1,437.17 mi (2,312.90 km) |
| Formby to Gabrovo | 1,487.40 mi (2,393.73 km) |
| Formby to Gorna Oryahovitsa | 1,490.07 mi (2,398.03 km) |
| Formby to Gotse Delchev | 1,485.26 mi (2,390.30 km) |
| Formby to Harmanli | 1,551.21 mi (2,496.43 km) |
| Formby to Haskovo | 1,538.32 mi (2,475.69 km) |
| Formby to Ihtiman | 1,448.02 mi (2,330.36 km) |
| Formby to Isperih | 1,509.92 mi (2,429.99 km) |
| Formby to Kardzhali | 1,543.62 mi (2,484.21 km) |
