| Portchester to Devnya | 1,438.85 mi (2,315.60 km) |
| Portchester to Dimitrovgrad | 1,399.29 mi (2,251.94 km) |
| Portchester to Dobrich | 1,437.84 mi (2,313.97 km) |
| Portchester to Dospat | 1,355.52 mi (2,181.50 km) |
| Portchester to Dupnitsa | 1,286.97 mi (2,071.18 km) |
| Portchester to Elhovo | 1,435.54 mi (2,310.27 km) |
| Portchester to Etropole | 1,301.40 mi (2,094.40 km) |
| Portchester to Gabrovo | 1,356.45 mi (2,182.99 km) |
| Portchester to Gorna Oryahovitsa | 1,362.06 mi (2,192.03 km) |
| Portchester to Gotse Delchev | 1,341.03 mi (2,158.19 km) |
| Portchester to Harmanli | 1,416.54 mi (2,279.69 km) |
| Portchester to Haskovo | 1,402.52 mi (2,257.13 km) |
| Portchester to Ihtiman | 1,309.15 mi (2,106.88 km) |
| Portchester to Isperih | 1,389.52 mi (2,236.22 km) |
| Portchester to Kardzhali | 1,405.51 mi (2,261.95 km) |
