How far is Monument, CO from Westminster, CO?

The driving distance from Monument, CO to Westminster, CO is about 61.5 miles (98.9 km), with a travel time of about 01h 05m by car.

  • The straight-line flight distance is about 52.2 miles (84 km).
  • For a round trip, plan for roughly 02h 11m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
61.47 mi
01h 05m
Flight
52.21 mi
84.03 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Monument.

Flight Distance

Direct air line
52.21 mi
Kilometers
84.03 km
Flight Time
00h 06m

Driving Distance

Road route
61.47 mi
Kilometers
98.93 km
Drive Time
01h 05m

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 01h 05m.

Arrival Snapshot
Arrive in Westminster
Wed, Apr 22, 7:44 PM MDT
Return by in Monument
Wed, Apr 22, 8:49 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Monument
2026-04-22T18:38
Arrive Westminster
Wed, Apr 22, 7:44 PM MDT
Route Timing
01h 05m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
9:06 AM to 11:06 AM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:18 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Monument
9:30 PM MDT
Morning start is best

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
Castle Pines
CO

City in Douglas County, Colorado, United States of America

From Monument
30.7 mi
00h 32m
To Westminster
30.8 mi
00h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
10 to 25 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 Monument and Westminster.

Turn-by-Turn Driving Directions

Step-by-step road directions between Monument and Westminster.

  1. 1

    Start on Washington Street

    16 m · 8 sec · Washington Street

  2. 2

    Turn left onto 2nd Street

    2600 ft · 2 min · 2nd Street

  3. 3

    Continue straight

    1668 ft · 35 sec

  4. 4

    Take the ramp right toward I 25: I 25 North, Denver

    2193 ft · 54 sec

  5. 5

    Merge slight left onto Ronald Reagan Highway

    55.9 mi · 1 hr 3 min · Ronald Reagan Highway

  6. 6

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

    2930 ft · 52 sec

  7. 7

    Merge slight right onto Denver–Boulder Turnpike

    1.8 mi · 2 min · Denver–Boulder Turnpike

  8. 8

    Take the exit slight right toward US 287: Federal Boulevard

    1157 ft · 23 sec

  9. 9

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

    1577 ft · 34 sec

  10. 10

    Turn straight onto Federal Boulevard

    1417 ft · 40 sec · Federal Boulevard

  11. 11

    Turn left onto West 80th Avenue

    2676 ft · 1 min · West 80th Avenue

  12. 12

    Turn left onto Lowell Boulevard

    1996 ft · 42 sec · Lowell Boulevard

  13. 13

    Turn right onto West 77th Avenue

    873 ft · 42 sec · West 77th Avenue

  14. 14

    Turn right onto Newton Street

    35 m · 5 sec · Newton Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · Newton Street

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
15 steps
7 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
24.4 / 100 mi
Decision points by distance
Main Roads
Ronald Reagan Highway
55.9 mi · 91%
Denver–Boulder Turnpike
1.78 mi · 3%
2nd Street
0.81 mi · 1%
US 36 West
0.55 mi · 1%
West 80th Avenue
0.51 mi · 1%
I 25
0.42 mi · 1%
Longest Stretch

Ronald Reagan Highway

Merge slight left onto Ronald Reagan Highway

55.9 mi · 01h 03m

Route Summary

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

Trip Read

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.

Drive Time
01h 05m
Day trip friendly
Same-Day Return
02h 12m
Round-trip wheel time
Road vs Air
+9.3 mi
52.2 mi direct line
Halfway Stop
Castle Pines
00h 32m from Monument
Leave By
4:18 PM MDT
Morning start is best
Weather Watch

Mostly Sunny leaving Monument 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 Monument to Westminster?

The road trip is about 61.5 miles (98.9 km) and usually takes 01h 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?

Castle Pines is a useful midpoint, sitting about 30.7 miles from Monument and 30.8 miles from Westminster.

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

The direct path is about 52.2 miles (84 km), while the road route adds roughly 9.3 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 4:18 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.02 one way or $16.05 round trip. Estimated CO2 is about 19.3 kg one way.

What should you check before leaving?

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

Stop Ideas Near Castle Pines

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 Castle Pines and the surrounding midpoint area.
City of Littleton
Scenic stop 11.3 mi away

City of Littleton

Littleton , CO
2255 W Berry Ave, Littleton, CO 80165
Rating 5.0/5 1 reviews City government office,Local government office,Museum
Aurora City Water Resources
Practical stop 13.4 mi away

Aurora City Water Resources

Aurora , CO
1450 S Havana St # 232, Aurora, CO 80012
Environmental health service
Greenwood Village City Hall
Meeting point 7.8 mi away

Greenwood Village City Hall

Greenwood Village , CO
6060 S Quebec St, Greenwood Village, CO 80111
Rating 3.3/5 16 reviews City Hall
Town Hall Arts Center
Nearby stop 11.2 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

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Castle Pines.

BUS

Denver (Bus Station), Colorado

34 mi away
1055 19th Street
RAIL

Union Station

34 mi away
1701 Wynkoop Street
BUS

Pine Junction, CO

43 mi away
76 Mount Evans Boulevard
BUS

Colorado Springs, Colorado

70 mi away
120 South Weber Street

Flight Path Map

This map shows the direct air route between Monument and Westminster. Straight-line distance: 52.21 mi (84.03 km).

Monument

#1 Monument

Town in El Paso County, Colorado, United States

Population8,152
Coordinates39.0916600, -104.8727600
Altitude2126
CountryUnited States
Westminster

#2 Westminster

The most populous city in Adams County, Colorado.

Population115,046
Coordinates39.8366500, -105.0372000
Altitude1641
CountryUnited States
Start: Washington Street (-104.872639, 39.091662)
End: Newton Street (-105.037386, 39.836648)

Estimated Travel Time

Distance: 99 km by road

SpeedTime
30 mph (48.3 km/h)02h 02m
40 mph (64.37 km/h)01h 32m
50 mph (80.47 km/h)01h 13m
60 mph (96.56 km/h)01h 01m
70 mph (112.65 km/h)00h 52m
80 mph (129 km/h)00h 46m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.17 gal
8.21 L · about $8.02
Round trip
$16.05
4.34 gal · 16.42 L
Estimated CO2
19.3 kg one way
Round trip: 38.6 kg / 85 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $8.02 $16.05
Mid-grade $4.08 $8.86 $17.72
Premium $4.39 $9.53 $19.06
Diesel $4.74 $10.28 $20.56

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 Monument and Westminster. The current time is 18:38:21.

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.