How far is Aurora, CO from New Castle, CO?
The driving distance from Aurora, CO to New Castle, CO is about 182.7 miles (294.1 km), with a travel time of about 03h 35m by car.
- The straight-line flight distance is about 144.3 miles (232.2 km).
- For a round trip, plan for roughly 07h 11m 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 35m.
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.
Slight Chance Snow Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Aurora and New Castle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Aurora and New Castle.
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1
Start on North Vaughn Street
24 m · 6 sec · North Vaughn Street
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2
Turn right onto Toledo Street
1120 ft · 49 sec · Toledo Street
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3
Turn slight right onto East 10th Avenue
78 m · 16 sec · East 10th Avenue
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4
Turn left onto North Potomac Street
3014 ft · 1 min · North Potomac Street
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5
Continue on North Fitzsimons Parkway
1624 ft · 41 sec · North Fitzsimons Parkway
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6
Turn right onto East 17th Place
998 ft · 29 sec · East 17th Place
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7
Take the ramp left toward I 225 North
2044 ft · 52 sec
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8
Merge slight left
1.1 mi · 1 min
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9
Keep slight left to continue on I 70 West: Denver
1.2 km · 1 min
-
10
Keep slight left to continue on I 70 West: Denver
1917 ft · 47 sec
-
11
Merge slight left onto Tuskegee Airmen Memorial Highway
2.1 mi · 3 min · Tuskegee Airmen Memorial Highway
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12
Keep slight left to continue on Tuskegee Airmen Memorial Highway
149.7 mi · 2 hr 53 min · Tuskegee Airmen Memorial Highway
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13
Continue on Pearl Harbor Memorial Highway
25.4 mi · 29 min · Pearl Harbor Memorial Highway
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14
Take the exit slight right toward New Castle
1387 ft · 38 sec
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15
Turn right onto Castle Valley Boulevard
553 ft · 9 sec · Castle Valley Boulevard
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16
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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17
Exit the roundabout onto Grand Army of the Republic Highway
2769 ft · 53 sec · Grand Army of the Republic Highway
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18
Continue on East Main Street
3200 ft · 1 min · East Main Street
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19
Turn right onto North 6th Street
144 m · 21 sec · North 6th Street
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20
Arrive at your destination
0 m · 1 sec · North 6th Street
Car Route Details
A richer read on the saved driving route between Aurora 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.
Tuskegee Airmen Memorial Highway
Keep slight left to continue on Tuskegee Airmen Memorial Highway
150 mi · 02h 53m
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.
Slight Chance Snow Showers leaving Aurora and Mostly Sunny near New Castle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Aurora to New Castle?
The road trip is about 182.7 miles (294.1 km) and usually takes 03h 35m 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 91.2 miles from Aurora and 91.5 miles from New Castle.
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 38.4 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 9:48 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.85 one way or $47.70 round trip. Estimated CO2 is about 57.3 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Snow Showers around Aurora and Mostly Sunny near New Castle.
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 Aurora and New Castle. Straight-line distance: 144.28 mi (232.19 km).
#1 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 |
#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: 294 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 05m |
| 40 mph (64.37 km/h) | 04h 34m |
| 50 mph (80.47 km/h) | 03h 39m |
| 60 mph (96.56 km/h) | 03h 02m |
| 70 mph (112.65 km/h) | 02h 36m |
| 80 mph (129 km/h) | 02h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $23.85 | $47.70 |
| Mid-grade | $4.08 | $26.34 | $52.68 |
| Premium | $4.39 | $28.32 | $56.64 |
| Diesel | $4.74 | $30.55 | $61.11 |
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 · 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.