How far is New Castle, IN from Portage, IN?
The driving distance from New Castle, IN to Portage, IN is about 201.7 miles (324.6 km), with a travel time of about 03h 17m by car.
- The straight-line flight distance is about 147.9 miles (238.1 km).
- For a round trip, plan for roughly 06h 35m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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 17m.
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 Indiana, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between New Castle and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between New Castle and Portage.
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1
Start on South Main Street
828 ft · 28 sec · South Main Street
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2
Turn left onto Broad Street
20.1 mi · 30 min · Broad Street
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3
Enter the roundabout and take exit 2 toward East State Street
48 m · 3 sec · East State Street
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4
Exit the roundabout onto East State Street
1.9 mi · 3 min · East State Street
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5
Enter the roundabout and take exit 1 toward State Street
29 m · 2 sec · State Street
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6
Exit the roundabout onto State Street
1653 ft · 28 sec · State Street
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7
Enter the roundabout and take exit 2 toward the route
94 m · 5 sec
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8
Exit the roundabout
109 m · 6 sec
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9
Enter the roundabout and take exit 2 toward the route
119 m · 7 sec
-
10
Exit the roundabout
1515 ft · 30 sec
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11
Merge slight left
16.8 mi · 18 min
-
12
Keep slight right
1.6 km · 1 min
-
13
Continue on I 465 South, I 69 South
1318 ft · 23 sec
-
14
Take the exit slight right toward I 465 West
1.2 km · 1 min
-
15
Continue straight
10.9 mi · 13 min
-
16
Keep slight left to continue on I 865 West: Chicago
5 mi · 6 min
-
17
Merge slight left
12.3 mi · 13 min
-
18
Take the exit slight right toward US 52 West
1281 ft · 16 sec
-
19
Keep slight left
786 ft · 10 sec
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20
Merge slight left
117.5 mi · 2 hr 8 min
-
21
Take the exit slight right toward I 80 East, I 94 East, US 6 East: Toledo, Detroit
1.4 km · 1 min
-
22
Keep slight right to continue on Central Avenue
1760 ft · 38 sec
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23
Turn right onto Central Avenue
4.3 mi · 9 min · Central Avenue
-
24
Continue on Central Avenue
1.4 mi · 3 min · Central Avenue
-
25
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between New Castle and Portage.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 52 West
Merge slight left
118 mi · 02h 08m
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.
Partly Sunny leaving New Castle and Sunny near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from New Castle to Portage?
The road trip is about 201.7 miles (324.6 km) and usually takes 03h 17m 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?
Dayton is a useful midpoint, sitting about 97.3 miles from New Castle and 104.3 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 147.9 miles (238.1 km), while the road route adds roughly 53.8 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 EDT. If you want a more comfortable same-day return, try to leave by 10:24 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.85 one way or $53.70 round trip. Estimated CO2 is about 63.3 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between New Castle and Portage, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny around New Castle and Sunny near Portage.
Stop Ideas Near Dayton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Mulberry - Town Hall & Municipal Utilities
Lafayette City Hall
Morton Community Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dayton.
Lafayette station
Crawfordsville (Bus), Indiana
Crawfordsville
Rensselaer
Flight Path Map
This map shows the direct air route between New Castle and Portage. Straight-line distance: 147.92 mi (238.06 km).
#1 New Castle
City in Indiana
| Population | 17,106 |
| Coordinates | 39.9289400, -85.3702500 |
| Altitude | 324 |
| Country | United States |
#2 Portage
The second most populous city in Porter County, Indiana.
| Population | 90,543 |
| Coordinates | 41.5758700, -87.1761500 |
| Altitude | 194 |
| Country | United States |
End: Central Avenue (-87.17615, 41.575874)
Estimated Travel Time
Distance: 325 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 43m |
| 40 mph (64.37 km/h) | 05h 02m |
| 50 mph (80.47 km/h) | 04h 02m |
| 60 mph (96.56 km/h) | 03h 21m |
| 70 mph (112.65 km/h) | 02h 52m |
| 80 mph (129 km/h) | 02h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $26.85 | $53.70 |
| Mid-grade | $4.25 | $30.28 | $60.56 |
| Premium | $4.65 | $33.14 | $66.27 |
| Diesel | $5.30 | $37.76 | $75.53 |
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 Indiana · May 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.