| Peterborough to Devnya | 1,428.76 mi (2,299.36 km) |
| Peterborough to Dimitrovgrad | 1,400.35 mi (2,253.64 km) |
| Peterborough to Dobrich | 1,425.29 mi (2,293.79 km) |
| Peterborough to Dospat | 1,362.82 mi (2,193.24 km) |
| Peterborough to Dupnitsa | 1,294.33 mi (2,083.03 km) |
| Peterborough to Elhovo | 1,433.32 mi (2,306.71 km) |
| Peterborough to Etropole | 1,303.03 mi (2,097.02 km) |
| Peterborough to Gabrovo | 1,354.07 mi (2,179.16 km) |
| Peterborough to Gorna Oryahovitsa | 1,357.27 mi (2,184.31 km) |
| Peterborough to Gotse Delchev | 1,350.08 mi (2,172.75 km) |
| Peterborough to Harmanli | 1,417.32 mi (2,280.96 km) |
| Peterborough to Haskovo | 1,404.25 mi (2,259.93 km) |
| Peterborough to Ihtiman | 1,313.45 mi (2,113.80 km) |
| Peterborough to Isperih | 1,378.67 mi (2,218.76 km) |
| Peterborough to Kardzhali | 1,409.22 mi (2,267.92 km) |
