How far is Dayton, IN from Gary, IN?

The driving distance from Dayton, IN to Gary, IN is about 95.5 miles (153.7 km), with a travel time of about 01h 33m by car.

  • The straight-line flight distance is about 89.5 miles (144 km).
  • For a round trip, plan for roughly 03h 07m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
95.51 mi
01h 33m
Flight
89.46 mi
143.97 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Dayton.

Flight Distance

Direct air line
89.46 mi
Kilometers
143.97 km
Flight Time
00h 10m

Driving Distance

Road route
95.51 mi
Kilometers
153.71 km
Drive Time
01h 33m

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 33m.

Arrival Snapshot
Arrive in Gary
Thu, Apr 23, 2:53 AM CDT
Return by in Dayton
Thu, Apr 23, 5:26 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dayton
2026-04-23T02:19
Arrive Gary
Thu, Apr 23, 3:53 AM EDT
Route Timing
01h 33m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:34 AM to 10:34 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:22 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dayton
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Mount Ayr
IN

Human settlement in Newton County, Indiana, United States of America

From Dayton
48.2 mi
00h 46m
To Gary
47.3 mi
00h 46m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
7 to 17 mph S
Destination
79°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
10 to 20 mph S

Driving Route Map

The map below follows the saved road route between Dayton and Gary.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dayton and Gary.

  1. 1

    Start on Dayton Road

    18 m · 6 sec · Dayton Road

  2. 2

    Turn right onto Walnut Street

    1361 ft · 39 sec · Walnut Street

  3. 3

    Continue on SR 38

    2157 ft · 51 sec · SR 38

  4. 4

    Take the ramp right

    2928 ft · 1 min

  5. 5

    Merge slight left

    89.8 mi · 1 hr 38 min

  6. 6

    Take the exit slight right toward I 80 West, I 94 West, US 6 West: Chicago

    1.4 mi · 3 min

  7. 7

    Merge slight left onto Borman Expressway

    1.4 mi · 2 min · Borman Expressway

  8. 8

    Take the exit slight right toward Grant Street

    1831 ft · 45 sec

  9. 9

    Keep slight right

    103 m · 9 sec

  10. 10

    Turn straight onto Richard G. Hatcher Boulevard

    1.2 mi · 2 min · Richard G. Hatcher Boulevard

  11. 11

    Turn right onto West 15th Avenue

    2432 ft · 56 sec · West 15th Avenue

  12. 12

    Turn left onto Harrison Boulevard

    2011 ft · 1 min · Harrison Boulevard

  13. 13

    Turn right onto 10th Place

    77 m · 11 sec · 10th Place

  14. 14

    Arrive at your destination

    0 m · 1 sec · 10th Place

Car Route Details

A richer read on the saved driving route between Dayton and Gary.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
14 steps
5 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
14.7 / 100 mi
Decision points by distance
Main Roads
SR 38
90.7 mi · 95%
Borman Expressway
1.44 mi · 2%
I 80 West
1.41 mi · 1%
Richard G. Hatcher Boulevard
1.16 mi · 1%
West 15th Avenue
0.46 mi
Grant Street
0.41 mi
Longest Stretch

SR 38

Merge slight left

89.8 mi · 01h 38m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 33m
Day trip friendly
Same-Day Return
03h 08m
Round-trip wheel time
Road vs Air
+6 mi
89.5 mi direct line
Halfway Stop
Mount Ayr
00h 46m from Dayton
Leave By
3:22 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Dayton and Mostly Sunny near Gary.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dayton to Gary?

The road trip is about 95.5 miles (153.7 km) and usually takes 01h 33m 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?

Mount Ayr is a useful midpoint, sitting about 48.2 miles from Dayton and 47.3 miles from Gary.

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 6 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 3:22 PM EDT.

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 Dayton and Gary, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Dayton and Mostly Sunny near Gary.

Stop Ideas Near Mount Ayr

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Mount Ayr, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Mount Ayr.

RAIL

Rensselaer

12 mi away
619 North Cullen Street
RAIL

Kankakee

51 mi away
199 South East Ave.
RAIL

Gilman

62 mi away
US Hwy 24 & West Wenona St.
RAIL

Dyer station

63 mi away
913 Sheffield Avenue

Flight Path Map

This map shows the direct air route between Dayton and Gary. Straight-line distance: 89.46 mi (143.97 km).

Dayton

#1 Dayton

Town in Indiana, USA

Population1,667
Coordinates40.3742000, -86.7689000
Altitude206
CountryUnited States
Gary

#2 Gary

The most populous city in Lake County, Indiana.

Population74,693
Coordinates41.5933700, -87.3464300
Altitude183
CountryUnited States
Start: Dayton Road (-86.768898, 40.3742)
End: (-87.346439, 41.59327)

Estimated Travel Time

Distance: 154 km by road

SpeedTime
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.

One-way fuel
3.37 gal
12.76 L · about $12.71
Round trip
$25.42
6.74 gal · 25.52 L
Estimated CO2
29.9 kg one way
Round trip: 59.9 kg / 132 lb CO2, using regular gasoline.
Fuel$/galOne wayRound 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

Please keep in mind that there is a 1 hour time gap between Dayton, IN and Gary, IN. The current time in Dayton is 02:19:21, although it is 01:19:21 in Gary.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.