Ockendon railway station is located on a passing loop on a single-track branch of the London, Tilbury and Southend line, serving the town of South Ockendon, Essex. It is 18 miles 44 chains (29.9 km) down the line from London Fenchurch Street via Upminster; the following station on the branch is Chafford Hundred Lakeside. Its three-letter station code is OCK.