Complex sentence: Sevenoaks is a commuter town situated in the countryside of West Kent, England, 21.5 miles (34.6 km) south-east of the centre of London, at the southern end of one of the principal commuter rail lines from the capital.
Split into simpler sentences: Sevenoaks is a commuter town situated in the countryside of west Kent, England. The town lies 21.5 miles (34.6 km) south-east of the centre of London, at the southern end of one of the principal commuter rail lines from the capital.