The mileage between Spain and America will remain the same whether you walk, sail, fly or swim. The time taken to travel from Spain to America depends on whether you fly (quick) or sail (slow).
Christopher Colombus Columbus was Italian using finances from Spain.
From spain I would say Africa although your better off using Suez canal and you will instantly be in Asia.
The driving distance from London to Cadiz, Spain is 1,435 road miles (using the A10) - about 23 hours driving time.
Using 32 ft/sec2 as the acceleration due to gravity, it would be 0.0303.. miles per sec.
You could get a one-way ticket inside North America and also a hotel room using United FF miles.
Using 238,900 miles as the distance to the moon the trip would take you about five months at 65 miles per hour. Now, imagine trying to reach the sun at 65 mph; the trip would take about 163 years.
The road/driving distance is approximately 1,200 miles using the A75/AP-7 routes.
Spain.
Spain is were my father lives.
Using the ruler on Google.earth I got 1688 air miles from the center of Riga, Latvia to the center of Madrid, Spain. The ruler takes the straightest path on a circle (the globe) and I am assuming that is the path the airlines would take.
Using my iphone Google Maps App the answer is 26, 106 km, which, if your in America, is aprox. 16, 221 miles.
Not without using mods.