How far is Fort Collins, CO from Castle Pines, CO?

The driving distance from Fort Collins, CO to Castle Pines, CO is about 88.4 miles (142.3 km), with a travel time of about 01h 46m by car.

  • The straight-line flight distance is about 78.5 miles (126.4 km).
  • For a round trip, plan for roughly 03h 32m 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
88.39 mi
01h 46m
Flight
78.52 mi
126.36 km direct

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

Learn Distance

Choose another destination from Fort Collins.

Flight Distance

Direct air line
78.52 mi
Kilometers
126.36 km
Flight Time
00h 09m

Driving Distance

Road route
88.39 mi
Kilometers
142.25 km
Drive Time
01h 46m

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 46m.

Arrival Snapshot
Arrive in Castle Pines
Thu, May 7, 12:05 AM MDT
Return by in Fort Collins
Thu, May 7, 1:51 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fort Collins
2026-05-06T22:19
Arrive Castle Pines
Thu, May 7, 12:05 AM MDT
Route Timing
01h 46m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
9:46 AM to 11:46 AM MDT

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

Leave by
2:58 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Fort Collins
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
Erie
CO

Town in Boulder County, Colorado, USA

From Fort Collins
44.2 mi
00h 53m
To Castle Pines
44.2 mi
00h 53m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
42°F
Today

Chance Light Snow then Partly Sunny

Starts
Wed, May 6 10:00 AM MDT
Wind
3 to 9 mph N
Destination
45°F
Wednesday

Snow Showers

Starts
Wed, May 6 6:00 AM MDT
Wind
3 to 8 mph N

Driving Route Map

The map below follows the saved road route between Fort Collins and Castle Pines.

Turn-by-Turn Driving Directions

Step-by-step road directions between Fort Collins and Castle Pines.

  1. 1

    Start on South Sherwood Street

    841 ft · 41 sec · South Sherwood Street

  2. 2

    Continue on West Magnolia Street

    145 m · 20 sec · West Magnolia Street

  3. 3

    Turn right onto South Meldrum Street

    152 m · 29 sec · South Meldrum Street

  4. 4

    Turn left onto West Mulberry Street

    1494 ft · 42 sec · West Mulberry Street

  5. 5

    Continue on East Mulberry Street

    3.9 mi · 7 min · East Mulberry Street

  6. 6

    Take the exit slight right toward I 25 South: Denver

    1355 ft · 33 sec

  7. 7

    Merge slight left onto Dwight D. Eisenhower Highway

    41.4 mi · 41 min · Dwight D. Eisenhower Highway

  8. 8

    Continue on North Valley Highway

    3187 ft · 36 sec · North Valley Highway

  9. 9

    Keep slight right to continue on North Valley Highway

    8.8 mi · 11 min · North Valley Highway

  10. 10

    Keep slight right to continue on North Valley Highway

    31 mi · 38 min · North Valley Highway

  11. 11

    Take the exit slight right toward Happy Canyon Road

    1582 ft · 41 sec

  12. 12

    Turn right onto East Happy Canyon Road

    134 m · 9 sec · East Happy Canyon Road

  13. 13

    Enter the roundabout and take exit 1 toward Lagae Road

    4 m · 1 sec · Lagae Road

  14. 14

    Exit the roundabout onto Lagae Road

    1834 ft · 57 sec · Lagae Road

  15. 15

    Turn left onto Chase Lane

    1.2 km · 3 min · Chase Lane

  16. 16

    Continue on Lagae Road

    1173 ft · 52 sec · Lagae Road

  17. 17

    At the end of the road, turn right onto Country Club Drive

    762 ft · 34 sec · Country Club Drive

  18. 18

    Arrive at your destination

    0 m · 1 sec · Country Club Parkway

Car Route Details

A richer read on the saved driving route between Fort Collins and Castle Pines.

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
18 steps
7 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
20.4 / 100 mi
Decision points by distance
Main Roads
Dwight D. Eisenhower Highway
41.4 mi · 47%
North Valley Highway
40.4 mi · 46%
East Mulberry Street
3.85 mi · 4%
Chase Lane
0.72 mi · 1%
Lagae Road
0.57 mi · 1%
Happy Canyon Road
0.3 mi
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

41.4 mi · 00h 41m

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 46m
Day trip friendly
Same-Day Return
03h 32m
Round-trip wheel time
Road vs Air
+9.9 mi
78.5 mi direct line
Halfway Stop
Erie
00h 53m from Fort Collins
Leave By
2:58 PM MDT
Morning start is best
Weather Watch

Chance Light Snow then Partly Sunny leaving Fort Collins and Snow Showers near Castle Pines.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Fort Collins to Castle Pines?

The road trip is about 88.4 miles (142.3 km) and usually takes 01h 46m 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?

Erie is a useful midpoint, sitting about 44.2 miles from Fort Collins and 44.2 miles from Castle Pines.

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

The direct path is about 78.5 miles (126.4 km), while the road route adds roughly 9.9 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 2:58 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.54 one way or $23.08 round trip. Estimated CO2 is about 27.7 kg one way.

What should you check before leaving?

Before you leave, expect Chance Light Snow then Partly Sunny around Fort Collins and Snow Showers near Castle Pines.

Stop Ideas Near Erie

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 Erie and the surrounding midpoint area.
Municipal Court Park
Scenic stop 12.2 mi away

Municipal Court Park

Westminster , CO
3025 W 76th Ave, Westminster, CO 80030
Rating 3.8/5 94 reviews Park
Broomfield City Council
Meeting point 7.7 mi away

Broomfield City Council

Broomfield , CO
1 Descombes Dr, Broomfield, CO 80020
Rating 3.9/5 63 reviews City government office
Lafayette City Hall
Nearby stop 6 mi away

Lafayette City Hall

Lafayette , CO
1290 S Public Rd, Lafayette, CO 80026
Rating 5.0/5 2 reviews City administration
Historic Brighton City Hall
Scenic stop 8.8 mi away

Historic Brighton City Hall

Brighton , CO
22 S 4th Ave, Brighton, CO 80601
Rating 4.3/5 31 reviews Historical place,City Hall

Transit and Meeting Points

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

BUS

Longmont, Colorado

14 mi away
623 Main St.
BUS

Boulder, Colorado

20 mi away
30th & Diagonal Highway
RAIL

Union Station

33 mi away
1701 Wynkoop Street
BUS

Denver (Bus Station), Colorado

34 mi away
1055 19th Street

Flight Path Map

This map shows the direct air route between Fort Collins and Castle Pines. Straight-line distance: 78.52 mi (126.36 km).

Fort Collins

#1 Fort Collins

The fifth most populous city in Colorado.

Population168,234
Coordinates40.5852600, -105.0844200
Altitude1525
CountryUnited States
Castle Pines

#2 Castle Pines

City in Douglas County, Colorado, United States of America

Population11,664
Coordinates39.4580400, -104.8960900
Altitude1999
CountryUnited States
Start: Fort Collins (-105.08442, 40.58526)
End: Castle Pines (-104.89609, 39.45804)

Estimated Travel Time

Distance: 142 km by road

SpeedTime
30 mph (48.3 km/h)02h 56m
40 mph (64.37 km/h)02h 12m
50 mph (80.47 km/h)01h 46m
60 mph (96.56 km/h)01h 28m
70 mph (112.65 km/h)01h 15m
80 mph (129 km/h)01h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.12 gal
11.81 L · about $11.54
Round trip
$23.08
6.24 gal · 23.62 L
Estimated CO2
27.7 kg one way
Round trip: 55.5 kg / 122 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $11.54 $23.08
Mid-grade $4.08 $12.74 $25.48
Premium $4.39 $13.70 $27.40
Diesel $4.74 $14.78 $29.56

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 · May 07, 2026

There is no time difference between Fort Collins and Castle Pines. The current time is 22:19:27.

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.