| Ickenham to Popovo | 1,359.45 mi (2,187.82 km) |
| Ickenham to Provadia | 1,415.98 mi (2,278.79 km) |
| Ickenham to Radnevo | 1,388.91 mi (2,235.23 km) |
| Ickenham to Radomir | 1,257.12 mi (2,023.14 km) |
| Ickenham to Rakitovo | 1,326.88 mi (2,135.41 km) |
| Ickenham to Rakovski | 1,349.77 mi (2,172.25 km) |
| Ickenham to Razgrad | 1,364.25 mi (2,195.54 km) |
| Ickenham to Razlog | 1,306.44 mi (2,102.50 km) |
| Ickenham to Ruse | 1,329.75 mi (2,140.02 km) |
| Ickenham to Samokov | 1,290.53 mi (2,076.90 km) |
| Ickenham to Sandanski | 1,312.90 mi (2,112.90 km) |
| Ickenham to Sevlievo | 1,325.76 mi (2,133.61 km) |
| Ickenham to Shumen | 1,391.22 mi (2,238.96 km) |
| Ickenham to Silistra | 1,373.74 mi (2,210.82 km) |
| Ickenham to Sliven | 1,389.84 mi (2,236.73 km) |
