| Opfikon to Argentona | 506.81 mi (815.63 km) |
| Opfikon to Arico el Nuevo | 1,891.69 mi (3,044.38 km) |
| Opfikon to Armilla | 942.49 mi (1,516.78 km) |
| Opfikon to Arnedo | 634.04 mi (1,020.40 km) |
| Opfikon to Arona | 1,903.55 mi (3,063.47 km) |
| Opfikon to Arrecife | 1,740.16 mi (2,800.51 km) |
| Opfikon to Arrigorriaga | 627.48 mi (1,009.83 km) |
| Opfikon to Arroyomolinos | 792.73 mi (1,275.78 km) |
| Opfikon to Arteijo | 874.53 mi (1,407.42 km) |
| Opfikon to Arucas | 1,858.99 mi (2,991.76 km) |
| Opfikon to Aspe | 784.66 mi (1,262.78 km) |
| Opfikon to Astorga | 792.03 mi (1,274.65 km) |
| Opfikon to Atarfe | 940.93 mi (1,514.29 km) |
| Opfikon to Avila | 806.15 mi (1,297.37 km) |
| Opfikon to Aviles | 749.10 mi (1,205.56 km) |
