How far is Castle Rock, CO from Delta, CO?
The driving distance from Castle Rock, CO to Delta, CO is about 302.2 miles (486.4 km), with a travel time of about 05h 49m by car.
- The straight-line flight distance is about 177.8 miles (286.1 km).
- For a round trip, plan for roughly 11h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 05h 49m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Human settlement in Eagle County, Colorado, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Rain Showers
Partly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Castle Rock and Delta.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Rock and Delta.
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1
Start on North Cantril Street
27 m · 8 sec · North Cantril Street
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2
Turn left onto 3rd Street
641 ft · 23 sec · 3rd Street
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3
Exit the roundabout onto 3rd Street
135 m · 18 sec · 3rd Street
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4
Turn right onto North Wilcox Street
2807 ft · 2 min · North Wilcox Street
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5
Take the ramp straight toward I 25 North
1715 ft · 42 sec
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6
Merge slight left
26.6 mi · 30 min
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7
Take the exit slight right toward US 6 West: 6th Avenue
945 ft · 23 sec
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8
Keep slight right to continue on US 6 West: 6th Avenue, Lakewood
2200 ft · 54 sec
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9
Continue on Dinosaur Diamond Prehistoric Highway
1.5 km · 2 min · Dinosaur Diamond Prehistoric Highway
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10
Keep slight left to continue on US 6
609 ft · 11 sec
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11
Merge slight left onto West 6th Avenue Freeway
7.6 mi · 9 min · West 6th Avenue Freeway
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12
Take the exit slight right toward I 70 West: Grand Junction
1.1 km · 56 sec
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13
Merge slight left
224.5 mi · 4 hr 9 min
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14
Take the exit slight right toward I 70 Business, US 6, US 50: Clifton, Grand Junction, Delta
1.6 mi · 3 min
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15
Continue straight
1290 ft · 32 sec
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16
Turn left onto 32 Road
5.4 mi · 9 min · 32 Road
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17
At the end of the road, turn left onto United States Highway 50
11.7 mi · 15 min · United States Highway 50
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18
Continue straight
16.1 mi · 19 min
-
19
Continue straight
4.9 mi · 8 min
-
20
Turn left onto East 3rd Street
604 ft · 19 sec · East 3rd Street
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21
Turn right
86 m · 21 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Castle Rock and Delta.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 70 West
Merge slight left
225 mi · 04h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Cloudy then Chance Rain Showers leaving Castle Rock and Partly Sunny then Chance Showers And Thunderstorms near Delta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castle Rock to Delta?
The road trip is about 302.2 miles (486.4 km) and usually takes 05h 49m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Eagle is a useful midpoint, sitting about 151 miles from Castle Rock and 151.2 miles from Delta.
How much longer is the road route than the straight-line distance?
The direct path is about 177.8 miles (286.1 km), while the road route adds roughly 124.4 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:20 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.42 one way or $78.84 round trip. Estimated CO2 is about 94.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Rain Showers around Castle Rock and Partly Sunny then Chance Showers And Thunderstorms near Delta.
Stop Ideas Near Eagle
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Eagle.
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Flight Path Map
This map shows the direct air route between Castle Rock and Delta. Straight-line distance: 177.77 mi (286.1 km).
#1 Castle Rock
The most populous city in Douglas County, Colorado.
| Population | 70,567 |
| Coordinates | 39.3722100, -104.8560900 |
| Altitude | 1897 |
| Country | United States |
#2 Delta
City in Colorado
| Population | 9,030 |
| Coordinates | 38.7422100, -108.0689600 |
| Altitude | 1511 |
| Country | United States |
End: Delta (-108.06896, 38.74221)
Estimated Travel Time
Distance: 486 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 04m |
| 40 mph (64.37 km/h) | 07h 33m |
| 50 mph (80.47 km/h) | 06h 02m |
| 60 mph (96.56 km/h) | 05h 02m |
| 70 mph (112.65 km/h) | 04h 19m |
| 80 mph (129 km/h) | 03h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $39.42 | $78.84 |
| Mid-grade | $4.08 | $43.54 | $87.07 |
| Premium | $4.39 | $46.81 | $93.62 |
| Diesel | $4.74 | $50.50 | $100.99 |
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 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.