Also, it's 872 miles from Greenland (the point of the coast just south of Ittoqqortoormiit) to the nearest point of UK land (the northernmost Shetland Island). Juuuuust barely edges out Sweden.
Ceuta is closer to South West France as to Andorra. Looked it up because it seemed unlikely that no part of France sticks further out from the border with Spain. For example Hendaye is only 880km from Ceuta