Simplify the following text for a Grade 9 native English-speaking person.
Original: Once delivered to the port , goods could be transported to other parts of the country , for instance traveled as far east as Leeds , and up to 100 m south to Birmingham .
Simplified: Once delivered to the port , goods traveled as far west as Warrington , about 20 miles north , as far east as Leeds , and up to 100 miles south to Birmingham .