Complex sentence: Eastriggs is a small Scottish town situated between Annan, which is about 3 miles (5 km) to the west and Gretna, which is about 5 miles (8 km) to the east.
Split into simpler sentences: Eastriggs is a small Scottish town situated between Annan and Gretna. Gretna is about 5 miles (8 km) to the east.