The route suggestion is not verified yet and for reference only.
From MTR Fo Tan Station walking to Fo Tan Post Office, route length is about 667 meters, via Fo Tan Station Exit B Footway (6m) → Fo Tan Station Exit B Staircase (11m) → Fo Tan Station Exit B Footway (11m) → Footway (83m) → Crossing (3m) → Footway (4m) → Fo Tan Road (341m) → Crossing (9m) → Footway (2m) → Shan Mei Street Crossing (12m) → Shan Mei Street (5m) → Footway (95m) → Shan Mei Street (50m) → Shan Mei Street RunIn (6m) → Shan Mei Street (31m).