How far is New Haven, IN from Decatur, IN?
The driving distance from New Haven, IN to Decatur, IN is about 19.1 miles (30.7 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 17.1 miles (27.6 km).
- For a round trip, plan for roughly 00h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Unincorporated community in Jay County, Indiana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between New Haven and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between New Haven and Decatur.
-
1
Start on the route
35 m · 14 sec
-
2
Turn left onto Lincoln Highway East
851 ft · 25 sec · Lincoln Highway East
-
3
Turn right onto Green Street
1250 ft · 41 sec · Green Street
-
4
Turn left
1.4 km · 1 min
-
5
Take the exit slight right
2777 ft · 1 min
-
6
Merge slight left onto Ronald Reagan Expressway
7.1 mi · 8 min · Ronald Reagan Expressway
-
7
Take the exit slight right toward US 27, US 33 South: Fort Wayne, Decatur
2149 ft · 48 sec
-
8
Turn left onto Decatur Road
13.7 mi · 16 min · Decatur Road
-
9
Turn left onto West Monroe Street
2422 ft · 41 sec · West Monroe Street
-
10
Arrive at your destination
0 m · 1 sec · West Monroe Street
Car Route Details
A richer read on the saved driving route between New Haven and Decatur.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Decatur Road
Turn left onto Decatur Road
13.7 mi · 00h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Showers And Thunderstorms leaving New Haven and Slight Chance Rain Showers near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from New Haven to Decatur?
The road trip is about 19.1 miles (30.7 km) and usually takes 00h 27m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Westchester is a useful midpoint, sitting about 11.7 miles from New Haven and 7.4 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 17.1 miles (27.6 km), while the road route adds roughly 2 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.59 one way or $5.18 round trip. Estimated CO2 is about 6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around New Haven and Slight Chance Rain Showers near Decatur.
Stop Ideas Near Westchester
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 Westchester.
Waterloo
Bryan
Elkhart station
Flight Path Map
This map shows the direct air route between New Haven and Decatur. Straight-line distance: 17.17 mi (27.63 km).
#1 New Haven
City in Indiana
| Population | 15,966 |
| Coordinates | 41.0706000, -85.0144100 |
| Altitude | 231 |
| Country | United States |
#2 Decatur
City in Indiana, United States
| Population | 34,821 |
| Coordinates | 40.8306000, -84.9291300 |
| Altitude | 244 |
| Country | United States |
End: West Monroe Street (-84.929141, 40.83064)
Estimated Travel Time
Distance: 31 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 38m |
| 40 mph (64.37 km/h) | 00h 28m |
| 50 mph (80.47 km/h) | 00h 22m |
| 60 mph (96.56 km/h) | 00h 19m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.86 | $2.59 | $5.18 |
| Mid-grade | $4.46 | $2.98 | $5.97 |
| Premium | $4.99 | $3.34 | $6.68 |
| Diesel | $6.62 | $4.44 | $8.87 |
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