Beijing, China is the only capital that fits these requirements.
The capital city that is 1450 miles northeast of Hanoi Vietnam and 500 miles west of Pyongyang North Korea is Ulaanbaatar, the capital of Mongolia.
Beijing
Beijing
Beijing
Beijing, the capital of the People's Republic of China, is located 1450 miles northeast of Hanoi, Vietnam and 500 miles west of Pyongyang, North Korea.
Beijing China
Northeast. Hamhung is located Northeast of Pyongyang in North Korea.
Those rough numbers and directions put you pretty close to Beijing.
China is the neighbor of both North Korea and Vietnam.
The Capital of North Korea is Pyongyang.
Pyungyang is the capital of North Korea
North Korea and South Korea