| Ickenham to Devnya | 1,420.28 mi (2,285.71 km) |
| Ickenham to Dimitrovgrad | 1,385.62 mi (2,229.94 km) |
| Ickenham to Dobrich | 1,418.19 mi (2,282.36 km) |
| Ickenham to Dospat | 1,344.62 mi (2,163.96 km) |
| Ickenham to Dupnitsa | 1,276.02 mi (2,053.56 km) |
| Ickenham to Elhovo | 1,420.44 mi (2,285.97 km) |
| Ickenham to Etropole | 1,287.88 mi (2,072.64 km) |
| Ickenham to Gabrovo | 1,341.19 mi (2,158.44 km) |
| Ickenham to Gorna Oryahovitsa | 1,345.74 mi (2,165.76 km) |
| Ickenham to Gotse Delchev | 1,330.92 mi (2,141.90 km) |
| Ickenham to Harmanli | 1,402.76 mi (2,257.52 km) |
| Ickenham to Haskovo | 1,389.15 mi (2,235.63 km) |
| Ickenham to Ihtiman | 1,296.84 mi (2,087.07 km) |
| Ickenham to Isperih | 1,370.57 mi (2,205.72 km) |
| Ickenham to Kardzhali | 1,393.04 mi (2,241.87 km) |
