How far is Cimarron Hills, CO from Longmont, CO?
The driving distance from Cimarron Hills, CO to Longmont, CO is about 114.3 miles (184 km), with a travel time of about 02h 05m by car.
- The straight-line flight distance is about 93 miles (149.6 km).
- For a round trip, plan for roughly 04h 10m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 02h 05m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Douglas County, Colorado, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Cimarron Hills and Longmont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cimarron Hills and Longmont.
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1
Start on Palmer Park Boulevard
1.1 mi · 2 min · Palmer Park Boulevard
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2
Turn right onto North Powers Boulevard
11.2 mi · 15 min · North Powers Boulevard
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3
At the end of the road, turn left onto Interquest Parkway
2.2 mi · 4 min · Interquest Parkway
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4
Keep slight right to continue on I 25 North: Denver
1585 ft · 39 sec
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5
Merge slight left onto Ronald Reagan Highway
64.6 mi · 1 hr 12 min · Ronald Reagan Highway
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6
Keep slight right to continue on North Valley Highway
4.3 mi · 6 min · North Valley Highway
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7
Keep slight right to continue on North Valley Highway
5.3 mi · 6 min · North Valley Highway
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8
Continue on Dwight D. Eisenhower Highway
12.2 mi · 12 min · Dwight D. Eisenhower Highway
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9
Take the exit slight right toward CO 119 West: Firestone Boulevard
996 ft · 19 sec
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10
Keep slight left to continue on CO 119 West: Longmont
88 m · 8 sec
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11
Turn left onto Highway 119
3.1 mi · 4 min · Highway 119
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12
Continue on East Ken Pratt Boulevard
1.6 mi · 2 min · East Ken Pratt Boulevard
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13
Take the exit slight right
69 m · 7 sec
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14
Turn right onto East 3rd Avenue
1.9 mi · 4 min · East 3rd Avenue
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15
Turn right onto Kimbark Street
1084 ft · 55 sec · Kimbark Street
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16
Turn left
57 m · 16 sec
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17
Turn right
33 m · 8 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Cimarron Hills and Longmont.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Ronald Reagan Highway
Merge slight left onto Ronald Reagan Highway
64.6 mi · 01h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Rain Showers leaving Cimarron Hills and Showers And Thunderstorms near Longmont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cimarron Hills to Longmont?
The road trip is about 114.3 miles (184 km) and usually takes 02h 05m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Lone Tree is a useful midpoint, sitting about 54.2 miles from Cimarron Hills and 60.1 miles from Longmont.
How much longer is the road route than the straight-line distance?
The direct path is about 93 miles (149.6 km), while the road route adds roughly 21.3 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 2:20 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.90 one way or $29.81 round trip. Estimated CO2 is about 35.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Cimarron Hills and Showers And Thunderstorms near Longmont.
Stop Ideas Near Lone Tree
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Littleton
Aurora City Water Resources
Aurora Municipal Center
Town Hall Arts Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lone Tree.
Denver (Bus Station), Colorado
Union Station
Pine Junction, CO
Boulder, Colorado
Flight Path Map
This map shows the direct air route between Cimarron Hills and Longmont. Straight-line distance: 92.93 mi (149.56 km).
#1 Cimarron Hills
Census designated place
| Population | 16,161 |
| Coordinates | 38.8586100, -104.6988600 |
| Altitude | 1965 |
| Country | United States |
#2 Longmont
The most populous city in Boulder County, Colorado.
| Population | 98,445 |
| Coordinates | 40.1672100, -105.1019300 |
| Altitude | 1519 |
| Country | United States |
End: (-105.101861, 40.16721)
Estimated Travel Time
Distance: 184 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 48m |
| 40 mph (64.37 km/h) | 02h 51m |
| 50 mph (80.47 km/h) | 02h 17m |
| 60 mph (96.56 km/h) | 01h 54m |
| 70 mph (112.65 km/h) | 01h 37m |
| 80 mph (129 km/h) | 01h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $14.90 | $29.81 |
| Mid-grade | $4.08 | $16.46 | $32.92 |
| Premium | $4.39 | $17.70 | $35.39 |
| Diesel | $4.74 | $19.09 | $38.18 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Colorado · Apr 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.