Maybe 7 countries. USA, Russia, UK, France, China , India and Pakistan. Note: I am very sure USA, Russia ,India and Pakistan has nuclear missile. The rest of them is what I think because they are nuclear power, they can do it. North Korea had a failed test during July 2006, hence it should not be considered as one of the country with nuclear missile. Israel wise is unconfirmed.
USA, Russia, France, China, Pakistan, India, Turkey
five
almost Pakistan and china because both are atomic power and great alliance from many years India did not fight with pak and china
Around 400 nuclear warheads. China has the third largest nuclear arsenal in the world.
In many countries, including the USA, Canada, UK, France, Germany, Russia, China, India, Spain
63
It depends on the size of the Nuclear device, anywhere from 5 square miles and up
12, 250 China has the 2nd largest nuclear arsenal in the world.
Currently 9 countries possess nuclear weapons; The United States, United Kingdom, France, Russia, China, Israel, India, Pakistan and North Korea.
About 4,000 miles which is the range of NK's nuclear missile.
China is not a nuclear free zone. They have many nuclear weapons. Though China has a nuclear policy which states that they are not allowed to produce,fire, or give away these weapons.