How far is Gary, IN from Dayton, IN?
The driving distance from Gary, IN to Dayton, IN is about 95.4 miles (153.5 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 89.5 miles (144 km).
- For a round trip, plan for roughly 03h 41m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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 50m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Gary and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gary and Dayton.
-
1
Start on 10th Place
17 m · 4 sec · 10th Place
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2
Turn right onto Harrison Street
146 m · 28 sec · Harrison Street
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3
Turn left onto West 11th Avenue
1250 ft · 39 sec · West 11th Avenue
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4
Turn right onto Madison Street
1406 ft · 48 sec · Madison Street
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5
Turn left onto West 15th Avenue
1 mi · 2 min · West 15th Avenue
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6
Continue on Central Avenue
854 ft · 22 sec · Central Avenue
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7
Turn right onto Martin Luther King Drive
2.5 mi · 5 min · Martin Luther King Drive
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8
Turn left onto East Ridge Road
1276 ft · 35 sec · East Ridge Road
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9
Take the ramp slight right
1469 ft · 36 sec
-
10
Merge slight left onto Casimir Pulaski Memorial Highway
89.2 mi · 1 hr 37 min · Casimir Pulaski Memorial Highway
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11
Take the exit slight right toward SR 38: Dayton, Lafayette
2571 ft · 57 sec
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12
Turn left onto SR 38
1.1 km · 1 min · SR 38
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13
Continue on Walnut Street
1361 ft · 44 sec · Walnut Street
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14
Turn left onto Dayton Road
18 m · 2 sec · Dayton Road
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15
Arrive at your destination
0 m · 1 sec · Dayton Road
Car Route Details
A richer read on the saved driving route between Gary and Dayton.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Casimir Pulaski Memorial Highway
Merge slight left onto Casimir Pulaski Memorial Highway
89.2 mi · 01h 37m
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.
Mostly Sunny leaving Gary and Mostly Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gary to Dayton?
The road trip is about 95.4 miles (153.5 km) and usually takes 01h 50m 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?
Rensselaer is a useful midpoint, sitting about 47.7 miles from Gary and 47.7 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 89.5 miles (144 km), while the road route adds roughly 5.9 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 CDT. If you want a more comfortable same-day return, try to leave by 2:48 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.71 one way or $25.42 round trip. Estimated CO2 is about 29.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Gary and Dayton, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Gary and Mostly Sunny near Dayton.
Stop Ideas Near Rensselaer
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 Rensselaer.
Rensselaer
Lafayette station
Kankakee
Dyer station
Flight Path Map
This map shows the direct air route between Gary and Dayton. Straight-line distance: 89.46 mi (143.97 km).
#1 Gary
The most populous city in Lake County, Indiana.
| Population | 74,693 |
| Coordinates | 41.5933700, -87.3464300 |
| Altitude | 183 |
| Country | United States |
#2 Dayton
Town in Indiana, USA
| Population | 1,667 |
| Coordinates | 40.3742000, -86.7689000 |
| Altitude | 206 |
| Country | United States |
End: Dayton (-86.7689, 40.3742)
Estimated Travel Time
Distance: 154 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 10m |
| 40 mph (64.37 km/h) | 02h 23m |
| 50 mph (80.47 km/h) | 01h 54m |
| 60 mph (96.56 km/h) | 01h 35m |
| 70 mph (112.65 km/h) | 01h 21m |
| 80 mph (129 km/h) | 01h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $12.71 | $25.42 |
| Mid-grade | $4.25 | $14.33 | $28.67 |
| Premium | $4.65 | $15.68 | $31.37 |
| Diesel | $5.30 | $17.87 | $35.75 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.