Buses to Boulder
The cities within coach range, estimated times from distance, and who sells the tickets.
Coaches cover the ground rail does not, and in most countries they are the cheapest way between cities. Below are the cities within practical coach range of Boulder, with straight-line distance and an estimated time at typical coach speeds including stops.
| Route | Country | Distance | Estimated time |
|---|---|---|---|
| Boulder to Thornton | United States | 30 km (19 mi) | about 48 min |
| Boulder to Lakewood | United States | 38 km (24 mi) | about 56 min |
| Boulder to Denver | United States | 39 km (24 mi) | about 57 min |
| Boulder to Aurora | United States | 49 km (31 mi) | about 1 h 8 min |
| Boulder to Centennial | United States | 59 km (37 mi) | about 1 h 18 min |
| Boulder to Fort Collins | United States | 65 km (41 mi) | about 1 h 25 min |
| Boulder to Greeley | United States | 66 km (41 mi) | about 1 h 26 min |
| Boulder to Colorado Springs | United States | 137 km (85 mi) | about 2 h 42 min |
| Boulder to Pueblo | United States | 204 km (127 mi) | about 3 h 54 min |
| Boulder to Provo | United States | 544 km (338 mi) | about 10 h |
| Boulder to Albuquerque | United States | 562 km (349 mi) | about 10 h 20 min |
| Boulder to Salt Lake City | United States | 567 km (352 mi) | about 10 h 25 min |
| Boulder to Los Angeles | United States | 1,327 km (824 mi) | about 24 h 3 min |
| Boulder to Chicago | United States | 1,492 km (927 mi) | about 27 h 1 min |
| Boulder to Houston | United States | 1,453 km (903 mi) | about 26 h 19 min |
| Boulder to Tijuana | Mexico | 1,341 km (833 mi) | about 24 h 19 min |
| Boulder to Phoenix | United States | 948 km (589 mi) | about 17 h 16 min |
| Boulder to San Antonio | United States | 1,330 km (826 mi) | about 24 h 6 min |
| Boulder to Ciudad Juárez | Mexico | 929 km (577 mi) | about 16 h 55 min |
| Boulder to San Diego | United States | 1,337 km (831 mi) | about 24 h 14 min |
Distances are straight-line; road and rail routes run about 15–25% longer. Times are estimates from distance and typical speeds, not timetables.
Where to buy bus tickets
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.
Common questions
How are the journey times on this page worked out?
From straight-line distance and typical speeds for each mode, so they are estimates for planning, not timetables. Road and rail routes run 15–25% longer than the straight line.
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 13 September 2026. Hotel 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.