How far is Arvada, CO from New Castle, CO?
The driving distance from Arvada, CO to New Castle, CO is about 166.8 miles (268.5 km), with a travel time of about 03h 14m by car.
- The straight-line flight distance is about 131.2 miles (211.1 km).
- For a round trip, plan for roughly 06h 29m 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 03h 14m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
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 Sunny then Slight Chance Rain Showers
Slight Chance Rain And Snow Showers then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Arvada and New Castle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Arvada and New Castle.
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1
Start on the route
13 m · 5 sec
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2
Turn right onto Ammons Street
69 m · 10 sec · Ammons Street
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3
Turn right onto Ralston Road
2318 ft · 1 min · Ralston Road
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4
Continue on West 58th Avenue
1.3 km · 2 min · West 58th Avenue
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5
Turn left onto Kipling Parkway
1 mi · 2 min · Kipling Parkway
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6
Continue on Kipling Street
1288 ft · 26 sec · Kipling Street
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7
Take the ramp right toward I 70 West
1754 ft · 46 sec
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8
Merge slight left
162.3 mi · 3 hr 5 min
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9
Take the exit slight right toward New Castle
1387 ft · 38 sec
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10
Turn right onto Castle Valley Boulevard
553 ft · 9 sec · Castle Valley Boulevard
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11
Enter the roundabout and take exit 3 toward Grand Army of the Republic Highway
77 m · 5 sec · Grand Army of the Republic Highway
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12
Exit the roundabout onto Grand Army of the Republic Highway
2769 ft · 53 sec · Grand Army of the Republic Highway
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13
Continue on East Main Street
3200 ft · 1 min · East Main Street
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14
Turn right onto North 6th Street
144 m · 21 sec · North 6th Street
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15
Arrive at your destination
0 m · 1 sec · North 6th Street
Car Route Details
A richer read on the saved driving route between Arvada and New Castle.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 70 West
Merge slight left
162 mi · 03h 05m
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 Sunny then Slight Chance Rain Showers leaving Arvada and Slight Chance Rain And Snow Showers then Slight Chance Showers And Thunderstorms near New Castle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Arvada to New Castle?
The road trip is about 166.8 miles (268.5 km) and usually takes 03h 14m 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?
Red Cliff is a useful midpoint, sitting about 83.3 miles from Arvada and 83.5 miles from New Castle.
How much longer is the road route than the straight-line distance?
The direct path is about 131.2 miles (211.1 km), while the road route adds roughly 35.6 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 10:30 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.78 one way or $43.56 round trip. Estimated CO2 is about 52.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Arvada and Slight Chance Rain And Snow Showers then Slight Chance Showers And Thunderstorms near New Castle.
Stop Ideas Near Red Cliff
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 Red Cliff.
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Flight Path Map
This map shows the direct air route between Arvada and New Castle. Straight-line distance: 131.17 mi (211.1 km).
#1 Arvada
The second most populous city in Jefferson County, Colorado.
| Population | 121,936 |
| Coordinates | 39.8027600, -105.0874800 |
| Altitude | 1629 |
| Country | United States |
#2 New Castle
Colorado
| Population | 4,962 |
| Coordinates | 39.5727600, -107.5364400 |
| Altitude | 1706 |
| Country | United States |
End: New Castle (-107.53644, 39.57276)
Estimated Travel Time
Distance: 268 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 33m |
| 40 mph (64.37 km/h) | 04h 10m |
| 50 mph (80.47 km/h) | 03h 20m |
| 60 mph (96.56 km/h) | 02h 46m |
| 70 mph (112.65 km/h) | 02h 22m |
| 80 mph (129 km/h) | 02h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $21.78 | $43.56 |
| Mid-grade | $4.08 | $24.05 | $48.11 |
| Premium | $4.39 | $25.86 | $51.73 |
| Diesel | $4.74 | $27.90 | $55.80 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.