How far is Niwot, CO from Westminster, CO?
The driving distance from Niwot, CO to Westminster, CO is about 25.8 miles (41.6 km), with a travel time of about 00h 33m by car.
- The straight-line flight distance is about 19.8 miles (31.8 km).
- For a round trip, plan for roughly 01h 07m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 33m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Statutory Town in Boulder and Jefferson counties in the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Niwot and Westminster.
Turn-by-Turn Driving Directions
Step-by-step road directions between Niwot and Westminster.
-
1
Start on Franklin Street
1072 ft · 47 sec · Franklin Street
-
2
Turn right onto Niwot Road
1298 ft · 39 sec · Niwot Road
-
3
Turn left onto Diagonal Highway
5.5 mi · 8 min · Diagonal Highway
-
4
Continue on Foothills Parkway
4.4 mi · 7 min · Foothills Parkway
-
5
Merge slight left onto Denver–Boulder Turnpike
1.1 mi · 1 min · Denver–Boulder Turnpike
-
6
Keep slight right to continue on Denver–Boulder Turnpike
1.7 mi · 2 min · Denver–Boulder Turnpike
-
7
Keep slight right to continue on Denver–Boulder Turnpike
2.6 mi · 3 min · Denver–Boulder Turnpike
-
8
Keep slight right to continue on Denver–Boulder Turnpike
2.4 mi · 3 min · Denver–Boulder Turnpike
-
9
Keep slight right to continue on Denver–Boulder Turnpike
2.2 mi · 3 min · Denver–Boulder Turnpike
-
10
Keep slight right to continue on Denver–Boulder Turnpike
1.9 mi · 2 min · Denver–Boulder Turnpike
-
11
Keep slight right to continue on Denver–Boulder Turnpike
1.2 km · 53 sec · Denver–Boulder Turnpike
-
12
Take the exit slight right toward CO 95 South: Sheridan Boulevard
1708 ft · 37 sec
-
13
Turn right onto Sheridan Boulevard
1.3 mi · 2 min · Sheridan Boulevard
-
14
Turn left onto West 80th Avenue
1822 ft · 54 sec · West 80th Avenue
-
15
Turn right onto Stuart Place
1441 ft · 49 sec · Stuart Place
-
16
Turn slight left onto West 78th Avenue
2291 ft · 1 min · West 78th Avenue
-
17
Turn right onto Newton Street
550 ft · 24 sec · Newton Street
-
18
Arrive at your destination
0 m · 1 sec · Newton Street
Car Route Details
A richer read on the saved driving route between Niwot and Westminster.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Diagonal Highway
Turn left onto Diagonal Highway
5.49 mi · 00h 08m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Niwot and Mostly Sunny near Westminster.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Niwot to Westminster?
The road trip is about 25.8 miles (41.6 km) and usually takes 00h 33m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Superior is a useful midpoint, sitting about 12.9 miles from Niwot and 13 miles from Westminster.
How much longer is the road route than the straight-line distance?
The direct path is about 19.8 miles (31.8 km), while the road route adds roughly 6 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:22 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.37 one way or $6.73 round trip. Estimated CO2 is about 8.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Niwot and Mostly Sunny near Westminster.
Stop Ideas Near Superior
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Municipal Court Park
Broomfield City Council
Lafayette City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Superior.
Boulder, Colorado
Longmont, Colorado
Union Station
Denver (Bus Station), Colorado
Flight Path Map
This map shows the direct air route between Niwot and Westminster. Straight-line distance: 19.77 mi (31.82 km).
#1 Niwot
Census designated place
| Population | 4,006 |
| Coordinates | 40.1038700, -105.1708200 |
| Altitude | 1553 |
| Country | United States |
#2 Westminster
The most populous city in Adams County, Colorado.
| Population | 115,046 |
| Coordinates | 39.8366500, -105.0372000 |
| Altitude | 1641 |
| Country | United States |
End: Newton Street (-105.037386, 39.836648)
Estimated Travel Time
Distance: 42 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 51m |
| 40 mph (64.37 km/h) | 00h 38m |
| 50 mph (80.47 km/h) | 00h 31m |
| 60 mph (96.56 km/h) | 00h 25m |
| 70 mph (112.65 km/h) | 00h 22m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $3.37 | $6.73 |
| Mid-grade | $4.08 | $3.72 | $7.43 |
| Premium | $4.39 | $4.00 | $7.99 |
| Diesel | $4.74 | $4.31 | $8.62 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.