How far is Castle Pines, CO from Fort Collins, CO?
The driving distance from Castle Pines, CO to Fort Collins, CO is about 102 miles (164.1 km), with a travel time of about 01h 40m by car.
- The straight-line flight distance is about 78.5 miles (126.4 km).
- For a round trip, plan for roughly 03h 20m 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 01h 40m.
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.
Town in Boulder County, Colorado, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Snow Showers
Chance Light Snow then Partly Sunny
Driving Route Map
The map below follows the saved road route between Castle Pines and Fort Collins.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Pines and Fort Collins.
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1
Start on Country Club Parkway
86 m · 13 sec · Country Club Parkway
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2
Continue on Country Club Drive
146 m · 25 sec · Country Club Drive
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3
Turn left onto Lagae Road
1160 ft · 51 sec · Lagae Road
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4
Turn slight right onto Chase Lane
1.2 km · 3 min · Chase Lane
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5
Turn right onto Lagae Road
1816 ft · 50 sec · Lagae Road
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6
Enter the roundabout and take exit 2 toward East Happy Canyon Road
96 m · 6 sec · East Happy Canyon Road
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7
Exit the roundabout onto East Happy Canyon Road
872 ft · 23 sec · East Happy Canyon Road
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8
Take the ramp left toward I 25 North
1968 ft · 50 sec
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9
Merge slight left
30.8 mi · 38 min
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10
Keep slight right to continue on North Valley Highway
4.3 mi · 6 min · North Valley Highway
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11
Keep slight right to continue on North Valley Highway
5.3 mi · 6 min · North Valley Highway
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12
Continue on Dwight D. Eisenhower Highway
41.7 mi · 42 min · Dwight D. Eisenhower Highway
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13
Take the exit slight right toward CO 14 West: Fort Collins
976 ft · 23 sec
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14
Merge slight left onto East Mulberry Street
4 mi · 7 min · East Mulberry Street
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15
Continue on West Mulberry Street
1543 ft · 45 sec · West Mulberry Street
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16
Turn right onto South Meldrum Street
152 m · 29 sec · South Meldrum Street
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17
Turn left onto West Magnolia Street
145 m · 18 sec · West Magnolia Street
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18
Continue on South Sherwood Street
841 ft · 39 sec · South Sherwood Street
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19
Arrive at your destination
0 m · 1 sec · South Sherwood Street
Car Route Details
A richer read on the saved driving route between Castle Pines and Fort Collins.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D. Eisenhower Highway
Continue on Dwight D. Eisenhower Highway
41.7 mi · 00h 42m
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.
Snow Showers leaving Castle Pines and Chance Light Snow then Partly Sunny near Fort Collins.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castle Pines to Fort Collins?
The road trip is about 102 miles (164.1 km) and usually takes 01h 40m 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 44.5 miles from Castle Pines and 57.5 miles from Fort Collins.
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 23.5 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 3:10 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.31 one way or $26.63 round trip. Estimated CO2 is about 32 kg one way.
What should you check before leaving?
Before you leave, expect Snow Showers around Castle Pines and Chance Light Snow then Partly Sunny near Fort Collins.
Stop Ideas Near Erie
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Municipal Court Park
Broomfield City Council
Lafayette City Hall
Historic Brighton City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Erie.
Longmont, Colorado
Boulder, Colorado
Union Station
Denver (Bus Station), Colorado
Flight Path Map
This map shows the direct air route between Castle Pines and Fort Collins. Straight-line distance: 78.52 mi (126.36 km).
#1 Castle Pines
City in Douglas County, Colorado, United States of America
| Population | 11,664 |
| Coordinates | 39.4580400, -104.8960900 |
| Altitude | 1999 |
| Country | United States |
#2 Fort Collins
The fifth most populous city in Colorado.
| Population | 168,234 |
| Coordinates | 40.5852600, -105.0844200 |
| Altitude | 1525 |
| Country | United States |
End: South Sherwood Street (-105.08428, 40.58526)
Estimated Travel Time
Distance: 164 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 23m |
| 40 mph (64.37 km/h) | 02h 32m |
| 50 mph (80.47 km/h) | 02h 02m |
| 60 mph (96.56 km/h) | 01h 41m |
| 70 mph (112.65 km/h) | 01h 27m |
| 80 mph (129 km/h) | 01h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $13.31 | $26.63 |
| Mid-grade | $4.08 | $14.70 | $29.40 |
| Premium | $4.39 | $15.81 | $31.62 |
| Diesel | $4.74 | $17.05 | $34.11 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.