Where Is Longmont Colorado?

Longmont is located in the U.S. state of Colorado at the base of the foothills of the Rocky Mountains. Longmont is 15 miles northeast of of Boulder and 31 miles north-northwest of Denver. In the opposite direction of Denver, Longmont is 33 miles from Rocky Mountain National Park.

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Directions To Longmont From Denver International Airport

From the airport, take Pena Boulevard towards Denver. Go west on I-70. Take a right on I-270. Go north on I-25 for 23 miles until exit 240 where you will go left on CO-119. This will lead you directly to Main street in Longmont.
Take the same route to return to the airport. Watch the signs carefully around I-25, I-76, and I-270. Continue straight to I-270, then I-70 (avoiding the I-225 exit), then Pena Blvd. to the airport.

The E-470 toll road connects Pena Blvd. with 96th Street, just north of US 36. It’s not worth the bother most of the time. (It’s only a few miles shorter and has three stops with $6.00 tolls.) But it can save a lot of time during rush hour, especially when heading to the airport.