if you are talking about the mountain then yes you will be very high.
K2 is 5.35 miles high.
Everest.
K2, also known as synthetic cannabinoids, can produce a high because they activate the same receptors in the brain as THC, the active ingredient in marijuana. However, K2 can also be more unpredictable and dangerous than marijuana as its effects can vary widely and lead to severe side effects or even overdose.
Mount Everest stands at 8,848m high. K2 stands at 8,611m high, making Mount Everest the highest mountain.
K2, the second-highest mountain in the world, has an elevation of 8,611 meters (28,251 feet).
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K2 is not higher than Mount Everest. K2 stands at 8,611 meters or 28,251 feet high and Mount Everest stands at 8,848 meters or 29,029 feet high, making it the highest mountain on earth, K2 is the second highest mountain on earth.
Although K2 is not as high as Mount Everest it is said to be more dangerous to climb. This is because the route is much harder and the weather on K2 is much more fierce.
The tallest point in Pakistan is the mountain K2. K2 is 28,251 feet high and is the second highest mountain in the world.
Standing at 8,611 meters or 28,251 foot high K2 is the second highest mountain in the world after Mount Everest which stands at 8,848 meters or 29,029 foot high. The Karakoram is the name of the mountain range that K2 is found in which is on the China-Pakistan border.  
Mount Godwin-Austen (K2) is 8,611m high
Mount K2 is 8611 metres