How far is New Castle, CO from Aurora, CO?
The driving distance from New Castle, CO to Aurora, CO is about 183.3 miles (295 km), with a travel time of about 03h 01m by car.
- The straight-line flight distance is about 144.3 miles (232.2 km).
- For a round trip, plan for roughly 06h 03m 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 01m.
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.
Town in Summit County, Colorado, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Slight Chance Snow Showers
Driving Route Map
The map below follows the saved road route between New Castle and Aurora.
Turn-by-Turn Driving Directions
Step-by-step road directions between New Castle and Aurora.
-
1
Start on North 6th Street
144 m · 26 sec · North 6th Street
-
2
Turn left onto West Main Street
3200 ft · 1 min · West Main Street
-
3
Continue on Grand Army of the Republic Highway
2784 ft · 53 sec · Grand Army of the Republic Highway
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4
Enter the roundabout and take exit 1 toward Castle Valley Boulevard
4 m · 1 sec · Castle Valley Boulevard
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5
Exit the roundabout onto Castle Valley Boulevard
962 ft · 22 sec · Castle Valley Boulevard
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6
Take the ramp left toward I 70: Denver
1354 ft · 33 sec
-
7
Merge slight left
164.2 mi · 3 hr 10 min
-
8
Keep slight right to continue on I 70 East: Denver
5.3 mi · 7 min
-
9
Keep slight right
8 mi · 11 min
-
10
Take the exit slight right toward I 225 South: Aurora, Colorado Springs
1.5 km · 1 min
-
11
Continue straight
2.2 mi · 3 min
-
12
Take the exit slight right toward CO 30: 6th Avenue
1772 ft · 40 sec
-
13
Turn right onto East 6th Avenue
1504 ft · 31 sec · East 6th Avenue
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14
Turn right onto Vaughn Street
78 m · 13 sec · Vaughn Street
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15
Turn right onto North Zion Street
155 m · 28 sec · North Zion Street
-
16
Turn left onto North Vaughn Street
990 ft · 43 sec · North Vaughn Street
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17
Arrive at your destination
0 m · 1 sec · North Vaughn Street
Car Route Details
A richer read on the saved driving route between New Castle and Aurora.
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
Merge slight left
164 mi · 03h 10m
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 leaving New Castle and Slight Chance Snow Showers near Aurora.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from New Castle to Aurora?
The road trip is about 183.3 miles (295 km) and usually takes 03h 01m 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?
Frisco is a useful midpoint, sitting about 91.5 miles from New Castle and 91.8 miles from Aurora.
How much longer is the road route than the straight-line distance?
The direct path is about 144.3 miles (232.2 km), while the road route adds roughly 39 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 10:56 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.93 one way or $47.85 round trip. Estimated CO2 is about 57.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around New Castle and Slight Chance Snow Showers near Aurora.
Stop Ideas Near Frisco
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 Frisco.
Frisco, Colorado
Vail, Colorado
Fairplay, CO
Fraser – Winter Park
Flight Path Map
This map shows the direct air route between New Castle and Aurora. Straight-line distance: 144.28 mi (232.19 km).
#1 New Castle
Colorado
| Population | 4,962 |
| Coordinates | 39.5727600, -107.5364400 |
| Altitude | 1706 |
| Country | United States |
#2 Aurora
The third most populous city in Colorado and the center of the Denver metropolitan area.
| Population | 387,377 |
| Coordinates | 39.7294300, -104.8319200 |
| Altitude | 1648 |
| Country | United States |
End: Vaughn Street (-104.831848, 39.729486)
Estimated Travel Time
Distance: 295 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 06m |
| 40 mph (64.37 km/h) | 04h 34m |
| 50 mph (80.47 km/h) | 03h 39m |
| 60 mph (96.56 km/h) | 03h 03m |
| 70 mph (112.65 km/h) | 02h 37m |
| 80 mph (129 km/h) | 02h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $23.93 | $47.85 |
| Mid-grade | $4.08 | $26.42 | $52.85 |
| Premium | $4.39 | $28.41 | $56.82 |
| Diesel | $4.74 | $30.65 | $61.30 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.