| Omagh to Argentona | 1,003.45 mi (1,614.90 km) |
| Omagh to Arico el Nuevo | 1,881.78 mi (3,028.43 km) |
| Omagh to Armilla | 1,217.46 mi (1,959.31 km) |
| Omagh to Arnedo | 886.83 mi (1,427.21 km) |
| Omagh to Arona | 1,890.20 mi (3,041.98 km) |
| Omagh to Arrecife | 1,798.16 mi (2,893.86 km) |
| Omagh to Arrigorriaga | 811.07 mi (1,305.28 km) |
| Omagh to Arroyomolinos | 1,001.95 mi (1,612.48 km) |
| Omagh to Arteijo | 781.70 mi (1,258.02 km) |
| Omagh to Arucas | 1,875.25 mi (3,017.92 km) |
| Omagh to Aspe | 1,163.26 mi (1,872.09 km) |
| Omagh to Astorga | 840.02 mi (1,351.88 km) |
| Omagh to Atarfe | 1,211.97 mi (1,950.47 km) |
| Omagh to Avila | 970.61 mi (1,562.04 km) |
| Omagh to Aviles | 764.89 mi (1,230.97 km) |
