How far is Decatur, IN from New Castle, IN?
The driving distance from Decatur, IN to New Castle, IN is about 77.4 miles (124.5 km), with a travel time of about 01h 36m by car.
- The straight-line flight distance is about 66.5 miles (107 km).
- For a round trip, plan for roughly 03h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 36m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Jay County, Indiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Isolated Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Decatur and New Castle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and New Castle.
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1
Start on West Monroe Street
2422 ft · 47 sec · West Monroe Street
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2
Turn left onto North 13th Street
12.6 mi · 14 min · North 13th Street
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3
Continue on South Harrison Street
15.1 mi · 17 min · South Harrison Street
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4
Turn right onto West Votaw Street
18.2 mi · 21 min · West Votaw Street
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5
Continue on West State Street
7.6 mi · 9 min · West State Street
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6
Take the exit slight right toward US 35 South, SR 3 South, SR 67 South: Indianapolis
7.3 mi · 10 min
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7
Take the exit slight right toward SR 3: New Castle, Muncie
1658 ft · 42 sec
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8
Turn left
15.1 mi · 23 min
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9
Turn left onto Broad Street
3155 ft · 55 sec · Broad Street
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10
Turn right onto South Main Street
828 ft · 23 sec · South Main Street
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11
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Decatur and New Castle.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
West Votaw Street
Turn right onto West Votaw Street
18.2 mi · 00h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Slight Chance Rain Showers leaving Decatur and Isolated 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 Decatur to New Castle?
The road trip is about 77.4 miles (124.5 km) and usually takes 01h 36m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Redkey is a useful midpoint, sitting about 38.6 miles from Decatur and 38.6 miles from New Castle.
How much longer is the road route than the straight-line distance?
The direct path is about 66.5 miles (107 km), while the road route adds roughly 10.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:16 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.54 one way or $21.09 round trip. Estimated CO2 is about 24.3 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Decatur and Isolated Showers And Thunderstorms near New Castle.
Stop Ideas Near Redkey
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 Redkey.
Connersville station
Indianapolis Union Station
Flight Path Map
This map shows the direct air route between Decatur and New Castle. Straight-line distance: 66.49 mi (107 km).
#1 Decatur
City in Indiana, United States
| Population | 34,821 |
| Coordinates | 40.8306000, -84.9291300 |
| Altitude | 244 |
| Country | United States |
#2 New Castle
City in Indiana
| Population | 17,106 |
| Coordinates | 39.9289400, -85.3702500 |
| Altitude | 324 |
| Country | United States |
End: New Castle (-85.37025, 39.92894)
Estimated Travel Time
Distance: 124 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 34m |
| 40 mph (64.37 km/h) | 01h 56m |
| 50 mph (80.47 km/h) | 01h 32m |
| 60 mph (96.56 km/h) | 01h 17m |
| 70 mph (112.65 km/h) | 01h 06m |
| 80 mph (129 km/h) | 00h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.86 | $10.54 | $21.09 |
| Mid-grade | $4.46 | $12.16 | $24.32 |
| Premium | $4.99 | $13.62 | $27.23 |
| Diesel | $6.62 | $18.08 | $36.15 |
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 · Oct 15, 2026