Question: Which major station lies almost exactly 300 miles north of London on the West Coast Main Line?
Sentence (from "Carlisle railway station"): Carlisle railway station, also known as Carlisle Citadel station, is a Grade II* listed railway station serving the city of Carlisle, Cumbria, England, and is a major station on the West Coast Main Line, lying 102 mi south east of Glasgow Central , and 299 mi north north west of London Euston .
Relevant evidence: Yes