roughly 1800 miles
no
Yes.
Reykjavík is the capital of Iceland, which is just barely south of the Arctic Circle.
Reindeer are only found in the far north near the Arctic Circle.
about 50 miles
It's roughly twice as far from the Arctic Circle as it is from the Equator.
The Tropic of Cancer is roughly 43° South of the Arctic Circle.
The distance is roughly 1,840 miles. Whether or not you call that 'close' is up to you.
Oslo is about 600km south of the Arctic circle; it is close to 600N latitude.
1035 miles
about 280 miles
about 7000 miles