| Upton to Argentona | 856.11 mi (1,377.78 km) |
| Upton to Arico el Nuevo | 1,869.42 mi (3,008.54 km) |
| Upton to Armilla | 1,122.00 mi (1,805.69 km) |
| Upton to Arnedo | 773.03 mi (1,244.06 km) |
| Upton to Arona | 1,878.80 mi (3,023.64 km) |
| Upton to Arrecife | 1,768.51 mi (2,846.14 km) |
| Upton to Arrigorriaga | 703.24 mi (1,131.76 km) |
| Upton to Arroyomolinos | 907.16 mi (1,459.94 km) |
| Upton to Arteijo | 738.99 mi (1,189.29 km) |
| Upton to Arucas | 1,856.73 mi (2,988.12 km) |
| Upton to Aspe | 1,045.01 mi (1,681.77 km) |
| Upton to Astorga | 767.12 mi (1,234.56 km) |
| Upton to Atarfe | 1,117.05 mi (1,797.72 km) |
| Upton to Avila | 883.00 mi (1,421.06 km) |
| Upton to Aviles | 691.05 mi (1,112.14 km) |
