Driving from Boulder to Thornton
Thornton lies 30 km (19 mi) south-east of Boulder, in the same time zone. What the numbers say about getting there.
Driving takes about 25 min without stops, over roughly 37 km (23 mi) of road; add breaks, fuel and any border.
| Boulder | Thornton | |
|---|---|---|
| Country | United States | United States |
| Population | 106,803 | 133,451 |
| Elevation | 1,630 m (5,348 ft) | 1,635 m (5,364 ft) |
| Time now | UTC-6 (America/Denver) | UTC-6 (America/Denver) |
| Postal codes | 80301–80314 | 80241 |
Where to book car hire from Boulder to Thornton
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
Staying in Thornton
Live rooms and prices for Thornton are in the search below.
Book a hotel in Thornton
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Thornton from Boulder?
30 km (19 mi) in a straight line, south-east of Boulder; by road roughly 37 km (23 mi).
How long does it take to get from Boulder to Thornton by car?
About 25 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Boulder and Thornton?
No, both are on America/Denver at the moment.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.