Guilin is about 404 km from the ocean.
If you're driving to a town near the beach or coastline, you could try Beihai.
How far is San Luis Obispo from the ocean
How far is Palm Springs from the ocean
How far is Moab from the ocean
How far is Bar Harbor from the ocean
How far is Phoenix from the ocean
How far is Berkeley from the ocean
How far is Cayucos from the ocean
How far is Glenwood Springs from the ocean
How far is West Hollywood from the ocean
How far is Les Baux-de-Provence from the ocean