| Biga to Argentona | 1,296.16 mi (2,085.96 km) |
| Biga to Arico el Nuevo | 2,604.54 mi (4,191.60 km) |
| Biga to Armilla | 1,669.27 mi (2,686.43 km) |
| Biga to Arnedo | 1,523.51 mi (2,451.85 km) |
| Biga to Arona | 2,617.34 mi (4,212.20 km) |
| Biga to Arrecife | 2,423.03 mi (3,899.50 km) |
| Biga to Arrigorriaga | 1,558.84 mi (2,508.71 km) |
| Biga to Arroyomolinos | 1,633.75 mi (2,629.27 km) |
| Biga to Arteijo | 1,840.58 mi (2,962.12 km) |
| Biga to Arucas | 2,555.86 mi (4,113.26 km) |
| Biga to Aspe | 1,497.35 mi (2,409.75 km) |
| Biga to Astorga | 1,723.39 mi (2,773.53 km) |
| Biga to Atarfe | 1,671.67 mi (2,690.29 km) |
| Biga to Avila | 1,669.81 mi (2,687.30 km) |
| Biga to Aviles | 1,708.97 mi (2,750.33 km) |
