| Alcala de Guadaira to Popovo | 1,728.45 mi (2,781.68 km) |
| Alcala de Guadaira to Provadia | 1,788.32 mi (2,878.02 km) |
| Alcala de Guadaira to Radnevo | 1,710.87 mi (2,753.37 km) |
| Alcala de Guadaira to Radomir | 1,559.51 mi (2,509.79 km) |
| Alcala de Guadaira to Rakitovo | 1,615.66 mi (2,600.16 km) |
| Alcala de Guadaira to Rakovski | 1,661.40 mi (2,673.76 km) |
| Alcala de Guadaira to Razgrad | 1,743.31 mi (2,805.59 km) |
| Alcala de Guadaira to Razlog | 1,583.79 mi (2,548.87 km) |
| Alcala de Guadaira to Ruse | 1,716.51 mi (2,762.45 km) |
| Alcala de Guadaira to Samokov | 1,589.52 mi (2,558.09 km) |
| Alcala de Guadaira to Sandanski | 1,573.77 mi (2,532.73 km) |
| Alcala de Guadaira to Sevlievo | 1,670.94 mi (2,689.12 km) |
| Alcala de Guadaira to Shumen | 1,763.40 mi (2,837.92 km) |
| Alcala de Guadaira to Silistra | 1,782.72 mi (2,869.02 km) |
| Alcala de Guadaira to Sliven | 1,731.77 mi (2,787.01 km) |
