| Alcorcon to Popovo | 1,552.72 mi (2,498.87 km) |
| Alcorcon to Provadia | 1,613.65 mi (2,596.92 km) |
| Alcorcon to Radnevo | 1,542.48 mi (2,482.38 km) |
| Alcorcon to Radomir | 1,389.51 mi (2,236.19 km) |
| Alcorcon to Rakitovo | 1,449.97 mi (2,333.50 km) |
| Alcorcon to Rakovski | 1,493.26 mi (2,403.17 km) |
| Alcorcon to Razgrad | 1,566.36 mi (2,520.81 km) |
| Alcorcon to Razlog | 1,418.99 mi (2,283.64 km) |
| Alcorcon to Ruse | 1,537.58 mi (2,474.50 km) |
| Alcorcon to Samokov | 1,421.16 mi (2,287.14 km) |
| Alcorcon to Sandanski | 1,411.52 mi (2,271.62 km) |
| Alcorcon to Sevlievo | 1,497.45 mi (2,409.91 km) |
| Alcorcon to Shumen | 1,588.10 mi (2,555.81 km) |
| Alcorcon to Silistra | 1,602.02 mi (2,578.21 km) |
| Alcorcon to Sliven | 1,560.61 mi (2,511.56 km) |
