Answers:
- Spain = 42° N, 8° W
- Japan = 38° N, 138° E
- England = 55° N, 10° W
- China = 35° N, 105° E
- Philippines = 10° N, 122° E
Note: The map doesn't mention "England", but instead it shows "United Kingdom". They are different but related concepts. I'll treat them as the same for the sake of simplicity.
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Explanation:
Since we're not talking about points, but rather large areas/countries, this means that an absolute single location doesn't make much sense.
However, we can try to go for the middle-most part of the country if possible.
Spain's northernmost and southernmost boundaries are between the 30° and 45° latitude lines in the northern hemisphere. The country appears to be closer to 45° N rather than 30° N. A good estimate is maybe something like 42° N. Though like I said, there's going to be wiggle room here depending which point you use as the representative point of Spain. The larger the country, the more variation in possible answers.
At the same time, much of Spain appears to be between the Prime Meridian and the longitude line 15° W. I'll split the difference and get (0+15)/2 = 15/2 = 7.5 = 8.
Therefore, one estimate of Spain's absolute GPS location is 42° N and 8° W
The other countries are handled in a similar fashion.
