Elephants are known to use a combination of methods to navigate across long distances during seasonal migrations. They rely on their keen sense of smell to detect water sources and food along their journey. Additionally, elephants have a remarkable memory that allows them to remember familiar landmarks and routes they have taken before. They also use their excellent sense of hearing to communicate with other members of their herd and stay connected during the migration. Overall, elephants exhibit impressive navigation skills that help them successfully traverse long distances during their migrations.