How Long Is 30A and How Long Does the Drive Take?
Scenic Highway 30A is 18.6 miles long from end to end, connecting to US-98 on both sides. Driving it nonstop takes about 35 to 45 minutes off-season and can stretch well past an hour in summer traffic. By bike on the parallel path, the full road is a comfortable half-day ride.
The number is 18.6 miles, and it is worth holding onto because it reframes the whole trip. Nothing on 30A is far from anything else on 30A. The distance from your rental to that restaurant you keep hearing about is almost never the problem; the road's two lanes in July are.
Off-season, end to end is an easy 35 to 45 minute cruise. In peak summer, between beach traffic, pedestrians, and the towns' crosswalks, the same drive can double. Locals solve this the obvious way: they ride. The paved path that parallels the road turns every errand into a bike errand, and the full corridor into a half-day ride with as many stops as you can justify.
Planning rule of thumb: pick your town for what you want to walk to, not drive to. Then treat the other eleven as bike destinations, and the road's length stops mattering entirely.
Quick questions
Is 30A one road or an area?
It is literally one 18.6 mile county road, and informally the name for the twelve beach towns along it.