The farthest star in Orion is Sigma Orionis, located approximately 1,150 light-years away from Earth. It is a blue supergiant star that has a visual magnitude of 4.2, making it visible to the naked eye under good viewing conditions. Sigma Orionis is part of the Orion OB1 association, which is a large group of young, hot, and massive stars located within the Orion constellation.