Half Moon Bay to Union City: Road Trip Guide & Distance

How far is Half Moon Bay from Union City?

The distance from Half Moon Bay to Union City is 24.2 miles (39 km) as the crow flies. Union City is located ENE of Half Moon Bay. By car, the driving distance is approximately 31.5 miles, taking about 38min. A direct flight would take roughly 33min. Both are located in United States.

This is a very short trip, perfect for a quick morning drive or an easy commute. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Half Moon Bay and Union City. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.