About 5 km (3 miles) west of Edinburgh's center, past the rugby ground at Murrayfield, you will find Corstorphine.
Corstorphine is past the rugby field at Muarryfield. 
mnli hypothesis: Corstorphine is past the rugby field at Muarryfield.  premise: About 5 km (3 miles) west of Edinburgh's center, past the rugby ground at Murrayfield, you will find Corstorphine.