Columbus, on the other hand, did his calculations based on the Italian mile, which is 4,847 feet (1,477.5 meters), and as a result, he determined that there are about 45 nautical miles (83 kilometers) to a degree.
Columbus, on the other hand, did his calculations based on the Italian mile, which is 4,847 feet (1,477.5 meters), and as a result, he determined that there are about 45 nautical miles (83 kilometers) to a degree.