How far is Lone Tree, CO from Westminster, CO?

The driving distance from Lone Tree, CO to Westminster, CO is about 27.7 miles (44.5 km), with a travel time of about 00h 35m by car.

  • The straight-line flight distance is about 21.3 miles (34.2 km).
  • For a round trip, plan for roughly 01h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
27.62 mi
00h 35m
Flight
21.26 mi
34.21 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Lone Tree.

Flight Distance

Direct air line
21.26 mi
Kilometers
34.21 km
Flight Time
00h 02m

Driving Distance

Road route
27.62 mi
Kilometers
44.45 km
Drive Time
00h 35m

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 35m.

Arrival Snapshot
Arrive in Westminster
Wed, Apr 22, 11:15 PM MDT
Return by in Lone Tree
Wed, Apr 22, 11:50 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lone Tree
2026-04-22T22:39
Arrive Westminster
Wed, Apr 22, 11:15 PM MDT
Route Timing
00h 35m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:35 AM to 7:35 PM MDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:20 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Lone Tree
10:00 PM MDT
Flexible departure

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.

Mid-route stop
Denver
CO

The twentieth most populous city in the United States and the center of the Denver metropolitan area.

From Lone Tree
13.7 mi
00h 17m
To Westminster
13.9 mi
00h 17m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
9 to 23 mph SW
Destination
81°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
7 to 21 mph SSW

Driving Route Map

The map below follows the saved road route between Lone Tree and Westminster.

Turn-by-Turn Driving Directions

Step-by-step road directions between Lone Tree and Westminster.

  1. 1

    Start on the route

    139 m · 22 sec

  2. 2

    Turn left onto South Yosemite Street

    1.4 km · 2 min · South Yosemite Street

  3. 3

    Turn right onto Chester Street

    1016 ft · 32 sec · Chester Street

  4. 4

    Turn right onto East County Line Road

    2278 ft · 47 sec · East County Line Road

  5. 5

    Take the ramp slight right toward I 25 North

    3070 ft · 1 min

  6. 6

    Merge slight left onto South Valley Highway

    21.2 mi · 27 min · South Valley Highway

  7. 7

    Take the exit slight left toward US 36 West: Westminster, Boulder

    2930 ft · 52 sec

  8. 8

    Merge slight right onto Denver–Boulder Turnpike

    1.8 mi · 2 min · Denver–Boulder Turnpike

  9. 9

    Take the exit slight right toward US 287: Federal Boulevard

    1157 ft · 23 sec

  10. 10

    Keep slight right to continue on US 287 North: Federal Boulevard

    1577 ft · 34 sec

  11. 11

    Turn straight onto Federal Boulevard

    1417 ft · 40 sec · Federal Boulevard

  12. 12

    Turn left onto West 80th Avenue

    2676 ft · 1 min · West 80th Avenue

  13. 13

    Turn left onto Lowell Boulevard

    1996 ft · 44 sec · Lowell Boulevard

  14. 14

    Turn right onto West 77th Avenue

    873 ft · 42 sec · West 77th Avenue

  15. 15

    Turn right onto Newton Street

    35 m · 5 sec · Newton Street

  16. 16

    Arrive at your destination

    0 m · 1 sec · Newton Street

Car Route Details

A richer read on the saved driving route between Lone Tree and Westminster.

OSRM road route
Drive Character

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.

Directions
16 steps
9 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
58 / 100 mi
Decision points by distance
Main Roads
South Valley Highway
21.2 mi · 77%
Denver–Boulder Turnpike
1.78 mi · 6%
South Yosemite Street
0.86 mi · 3%
I 25 North
0.58 mi · 2%
US 36 West
0.55 mi · 2%
West 80th Avenue
0.51 mi · 2%
Longest Stretch

South Valley Highway

Merge slight left onto South Valley Highway

21.2 mi · 00h 27m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 35m
Quick drive
Same-Day Return
01h 10m
Round-trip wheel time
Road vs Air
+6.4 mi
21.3 mi direct line
Halfway Stop
Denver
00h 17m from Lone Tree
Leave By
7:20 PM MDT
Flexible departure
Weather Watch

Mostly Sunny leaving Lone Tree 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 Lone Tree to Westminster?

The road trip is about 27.7 miles (44.5 km) and usually takes 00h 35m 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?

Denver is a useful midpoint, sitting about 13.7 miles from Lone Tree and 13.9 miles from Westminster.

How much longer is the road route than the straight-line distance?

The direct path is about 21.3 miles (34.2 km), while the road route adds roughly 6.4 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 7:20 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.59 one way or $7.17 round trip. Estimated CO2 is about 8.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Lone Tree and Mostly Sunny near Westminster.

Stop Ideas Near Denver

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Denver and the surrounding midpoint area.
Fairplay Park
Scenic stop 9.8 mi away

Fairplay Park

Aurora , CO
2200 Altura Blvd, Aurora, CO 80011
Rating 4.2/5 125 reviews Tourist attraction,Park
Denver City Council
Meeting point 2.6 mi away

Denver City Council

Denver , CO
1437 Bannock St rm 451, Denver, CO 80202
Rating 3.6/5 92 reviews City government office,County government office
Town Hall Arts Center
Nearby stop 6.3 mi away

Town Hall Arts Center

Littleton , CO
2450 Main St, Littleton, CO 80120
Rating 4.7/5 204 reviews Performing arts theater,Art gallery
Municipal Court Park
Scenic stop 9.4 mi away

Municipal Court Park

Westminster , CO
3025 W 76th Ave, Westminster, CO 80030
Rating 3.8/5 94 reviews Park

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Denver.

BUS

Denver (Bus Station), Colorado

1 mi away
1055 19th Street
RAIL

Union Station

2 mi away
1701 Wynkoop Street
BUS

Boulder, Colorado

44 mi away
30th & Diagonal Highway
BUS

Pine Junction, CO

46 mi away
76 Mount Evans Boulevard

Flight Path Map

This map shows the direct air route between Lone Tree and Westminster. Straight-line distance: 21.26 mi (34.21 km).

Lone Tree

#1 Lone Tree

City in Douglas County, Colorado, United States of America

Population13,614
Coordinates39.5517100, -104.8863000
Altitude1813
CountryUnited States
Westminster

#2 Westminster

The most populous city in Adams County, Colorado.

Population115,046
Coordinates39.8366500, -105.0372000
Altitude1641
CountryUnited States
Start: Driveway (-104.88614, 39.551715)
End: Newton Street (-105.037386, 39.836648)

Estimated Travel Time

Distance: 44 km by road

SpeedTime
30 mph (48.3 km/h)00h 55m
40 mph (64.37 km/h)00h 41m
50 mph (80.47 km/h)00h 33m
60 mph (96.56 km/h)00h 27m
70 mph (112.65 km/h)00h 23m
80 mph (129 km/h)00h 20m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.97 gal
3.69 L · about $3.59
Round trip
$7.17
1.94 gal · 7.38 L
Estimated CO2
8.6 kg one way
Round trip: 17.2 kg / 38 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $3.59 $7.17
Mid-grade $4.08 $3.96 $7.92
Premium $4.39 $4.26 $8.52
Diesel $4.74 $4.59 $9.19

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

There is no time difference between Lone Tree and Westminster. The current time is 22:39:40.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.