| Omurtag to Arico el Nuevo | 2,586.15 mi (4,162.01 km) |
| Omurtag to Armilla | 1,629.53 mi (2,622.48 km) |
| Omurtag to Arnedo | 1,443.29 mi (2,322.75 km) |
| Omurtag to Arona | 2,598.89 mi (4,182.51 km) |
| Omurtag to Arrecife | 2,409.06 mi (3,877.01 km) |
| Omurtag to Arrigorriaga | 1,469.41 mi (2,364.79 km) |
| Omurtag to Arroyomolinos | 1,567.93 mi (2,523.34 km) |
| Omurtag to Arteijo | 1,746.23 mi (2,810.29 km) |
| Omurtag to Arucas | 2,540.54 mi (4,088.61 km) |
| Omurtag to Aspe | 1,454.08 mi (2,340.12 km) |
| Omurtag to Astorga | 1,637.40 mi (2,635.14 km) |
| Omurtag to Atarfe | 1,631.17 mi (2,625.12 km) |
| Omurtag to Avila | 1,599.70 mi (2,574.47 km) |
| Omurtag to Aviles | 1,614.70 mi (2,598.60 km) |
| Omurtag to Ayamonte | 1,818.75 mi (2,926.99 km) |
