That depends on where you are measuring from. The most northerly point on mainland Scotland is Dunnet head, but if you include the islands it's Out Stack, Shetland.
5 hours
It's the furthest point west.
Aberdeen is furthest North at 57.10 N. Bangor is latitude 44.50 N
Get a map of France. Draw a line from the furthest point West to the furthest point East, and another from furthes south to furthest north. Where the lines cross is Paris.
The point furthest north on the earth's surface is the point at 90 degrees north latitude, popularly referred to as the "north pole". The point furthest south on the earth's surface is the point at 90 degrees south latitude, popularly referred to as the "south pole".
Furthest North on the British mainland is Dunnet Head between Thurso and John O' Groats
The furthest south point in Britain is Lizard Point in Cornwall, England. It is situated on the Lizard Peninsula and marks the southernmost tip of the UK mainland.
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Alaska is furthest north and the point is Point Barrow.
The furthest point on Earth from an ocean is located in north central China, in the area of china between Mongolia and Kazakhstan. Furthest country in the world from any sea or ocean is Kyrgyzstan.
Grand prairie texas
Either you mean, highest point in the day or when the earth is furthest from the sun. Noon is when its highest apprx. 12:00am and the Aphelion is when it is furthest.