| Sliven to Arico el Nuevo | 2,577.53 mi (4,148.13 km) |
| Sliven to Armilla | 1,623.33 mi (2,612.50 km) |
| Sliven to Arnedo | 1,443.06 mi (2,322.39 km) |
| Sliven to Arona | 2,590.28 mi (4,168.66 km) |
| Sliven to Arrecife | 2,399.76 mi (3,862.03 km) |
| Sliven to Arrigorriaga | 1,470.71 mi (2,366.88 km) |
| Sliven to Arroyomolinos | 1,565.57 mi (2,519.55 km) |
| Sliven to Arteijo | 1,748.59 mi (2,814.08 km) |
| Sliven to Arucas | 2,531.48 mi (4,074.02 km) |
| Sliven to Aspe | 1,448.21 mi (2,330.67 km) |
| Sliven to Astorga | 1,638.30 mi (2,636.59 km) |
| Sliven to Atarfe | 1,625.08 mi (2,615.32 km) |
| Sliven to Avila | 1,598.04 mi (2,571.80 km) |
| Sliven to Aviles | 1,616.94 mi (2,602.21 km) |
| Sliven to Ayamonte | 1,814.01 mi (2,919.37 km) |
