Complex sentence: Dyersburg is a city and the county seat of Dyer County, Tennessee, United States, (4) 77 miles (124 km) north-northeast of Memphis on the Forked Deer River.
Split into simpler sentences: Dyersburg is a city and the county seat of Dyer County, Tennessee, in the United States. It is located in northwest Tennessee, northeast of Memphis on the Forked Deer River.