• 600 KM (Exact official geographical data usually marks it around 580 KM, making 600 KM the closest approximate option).
• Kerala has a lengthy coastline stretching across 9 of its 14 districts.
• Kannur has the longest coastline among Kerala districts, while Kollam has the longest coastline along backwaters.
• Thiruvananthapuram has the southernmost coastal stretch.
