How far is it from Boulder, CO to Simla, CO?

The distance between Boulder, CO and Simla, CO is 132 mi by road.

How long does it take to drive from Boulder, CO to Simla, CO?

The drive from Boulder, CO to Simla, CO takes approximately 2 h 30 min by car.

The fastest route from Boulder, CO to Simla, CO covers 132 mi with a driving time of approximately 2 h 30 min.

Simla, CO lies roughly to the south-east of Boulder, CO.

The drive from Boulder, CO to Simla, CO mainly follows US 36, I 70, US 24. The longest single stretch is 80 mi on I 70.

Towns on the route from Boulder, CO to Simla, CO include Erie, Edgewater, Glendale, Deer Trail, Limon.

Distance: 132 miDuration: 2 h 30 min

Driving from Boulder, CO to Simla, CO takes about 2 h 30 min via I 70. The distance is 132 mi. The straight-line distance is 88 mi. EV charging is available along the route, including in Superior, CO, Mountain View, CO, Glendale, CO, Deer Trail, CO. Driving directions

Driving directions23 · 132 mi

The return trip from Simla, CO to Boulder, CO covers roughly the same distance, 132 mi.

No notable attractions were found along this route.

Distance and drive time are computed from OpenStreetMap road data with the OSRM routing engine. Updated 3 November 2026.

How far is it from Boulder, CO to Simla, CO?: The distance between Boulder, CO and Simla, CO is 132 mi by road.
How long does it take to drive from Boulder, CO to Simla, CO?: The drive from Boulder, CO to Simla, CO takes approximately 2 h 30 min by car.
What is the best route from Boulder, CO to Simla, CO?: The fastest route from Boulder, CO to Simla, CO covers 132 mi with a driving time of approximately 2 h 30 min.
Which direction is Simla, CO from Boulder, CO?: Simla, CO lies roughly to the south-east of Boulder, CO.
Which roads does the route from Boulder, CO to Simla, CO follow?: The drive from Boulder, CO to Simla, CO mainly follows US 36, I 70, US 24. The longest single stretch is 80 mi on I 70.
Which towns do you pass between Boulder, CO and Simla, CO?: Towns on the route from Boulder, CO to Simla, CO include Erie, Edgewater, Glendale, Deer Trail, Limon.