| Alcoy to Popovo | 1,422.18 mi (2,288.77 km) |
| Alcoy to Provadia | 1,481.81 mi (2,384.74 km) |
| Alcoy to Radnevo | 1,403.68 mi (2,259.00 km) |
| Alcoy to Radomir | 1,252.57 mi (2,015.81 km) |
| Alcoy to Rakitovo | 1,308.34 mi (2,105.57 km) |
| Alcoy to Rakovski | 1,354.21 mi (2,179.39 km) |
| Alcoy to Razgrad | 1,437.25 mi (2,313.03 km) |
| Alcoy to Razlog | 1,276.44 mi (2,054.23 km) |
| Alcoy to Ruse | 1,410.89 mi (2,270.61 km) |
| Alcoy to Samokov | 1,282.39 mi (2,063.81 km) |
| Alcoy to Sandanski | 1,266.35 mi (2,037.99 km) |
| Alcoy to Sevlievo | 1,364.35 mi (2,195.71 km) |
| Alcoy to Shumen | 1,457.01 mi (2,344.84 km) |
| Alcoy to Silistra | 1,477.45 mi (2,377.72 km) |
| Alcoy to Sliven | 1,424.83 mi (2,293.04 km) |
