| Upminster to Devnya | 1,390.99 mi (2,238.58 km) |
| Upminster to Dimitrovgrad | 1,357.06 mi (2,183.99 km) |
| Upminster to Dobrich | 1,388.78 mi (2,235.02 km) |
| Upminster to Dospat | 1,316.58 mi (2,118.83 km) |
| Upminster to Dupnitsa | 1,247.99 mi (2,008.44 km) |
| Upminster to Elhovo | 1,391.64 mi (2,239.63 km) |
| Upminster to Etropole | 1,259.37 mi (2,026.76 km) |
| Upminster to Gabrovo | 1,312.39 mi (2,112.08 km) |
| Upminster to Gorna Oryahovitsa | 1,316.77 mi (2,119.14 km) |
| Upminster to Gotse Delchev | 1,303.04 mi (2,097.03 km) |
| Upminster to Harmanli | 1,374.19 mi (2,211.54 km) |
| Upminster to Haskovo | 1,360.65 mi (2,189.76 km) |
| Upminster to Ihtiman | 1,268.55 mi (2,041.53 km) |
| Upminster to Isperih | 1,341.24 mi (2,158.52 km) |
| Upminster to Kardzhali | 1,364.69 mi (2,196.26 km) |
