Distance between Namp'o, North Korea and Dammam, Saudi Arabia

Find out the time difference between Namp'o and Dammam
Find out the distance between Namp'o and other cities
Find out the distance between Namp'o and the North Pole, the South Pole, the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle, the Antarctic Circle
Find out the distance between Dammam and other cities
Find out the distance between Dammam and the North Pole, the South Pole, the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle, the Antarctic Circle