How far is Gary, IN from Sunman, IN?

The driving distance from Gary, IN to Sunman, IN is about 227.6 miles (366.3 km), with a travel time of about 04h 16m by car.

  • The straight-line flight distance is about 201.3 miles (324 km).
  • For a round trip, plan for roughly 08h 32m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
227.62 mi
04h 16m
Flight
201.32 mi
324 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Gary.

Flight Distance

Direct air line
201.32 mi
Kilometers
324 km
Flight Time
00h 24m

Driving Distance

Road route
227.62 mi
Kilometers
366.32 km
Drive Time
04h 16m

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 04h 16m.

Arrival Snapshot
Arrive in Sunman
Thu, Apr 23, 6:28 AM EDT
Return by in Gary
Thu, Apr 23, 9:44 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Gary
2026-04-23T01:12
Arrive Sunman
Thu, Apr 23, 5:28 AM CDT
Route Timing
04h 16m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:16 AM to 1:16 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:28 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Gary
9:00 PM CDT
Early departure recommended

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
Thorntown
IN

City in Boone County, Indiana, United States of America

From Gary
113.8 mi
02h 08m
To Sunman
113.8 mi
02h 08m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
79°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
10 to 20 mph S
Destination
79°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
2 to 9 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on 10th Place

    17 m · 4 sec · 10th Place

  2. 2

    Turn right onto Harrison Street

    146 m · 28 sec · Harrison Street

  3. 3

    Turn left onto West 11th Avenue

    1250 ft · 39 sec · West 11th Avenue

  4. 4

    Turn right onto Madison Street

    1406 ft · 48 sec · Madison Street

  5. 5

    Turn left onto West 15th Avenue

    1 mi · 2 min · West 15th Avenue

  6. 6

    Continue on Central Avenue

    854 ft · 22 sec · Central Avenue

  7. 7

    Turn right onto Martin Luther King Drive

    2.5 mi · 5 min · Martin Luther King Drive

  8. 8

    Turn left onto East Ridge Road

    1276 ft · 35 sec · East Ridge Road

  9. 9

    Take the ramp slight right

    1469 ft · 36 sec

  10. 10

    Merge slight left onto Casimir Pulaski Memorial Highway

    128.7 mi · 2 hr 20 min · Casimir Pulaski Memorial Highway

  11. 11

    Keep slight right

    5.1 mi · 6 min

  12. 12

    Merge slight right

    12.5 mi · 15 min

  13. 13

    Merge slight right

    10.5 mi · 12 min

  14. 14

    Take the exit slight right toward I 74 East, US 421 South: Cincinnati, Southeastern Avenue

    742 ft · 16 sec

  15. 15

    Keep slight left to continue on I 74 East, US 421 South: Cincinnati

    62.6 mi · 1 hr 8 min

  16. 16

    Take the exit slight right toward SR 101: Sunman, Milan

    1295 ft · 32 sec

  17. 17

    Turn right

    3 mi · 4 min

  18. 18

    Arrive at your destination

    0 m · 1 sec · North Meridian Street

Car Route Details

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

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
18 steps
7 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
7.9 / 100 mi
Decision points by distance
Main Roads
Casimir Pulaski Memorial Highway
157 mi · 69%
I 74 East
62.8 mi · 28%
Martin Luther King Drive
2.45 mi · 1%
West 15th Avenue
1.04 mi
East Ridge Road
0.52 mi
Madison Street
0.27 mi
Longest Stretch

Casimir Pulaski Memorial Highway

Merge slight left onto Casimir Pulaski Memorial Highway

129 mi · 02h 20m

Route Summary

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

Trip Read

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.

Drive Time
04h 16m
Long day trip
Same-Day Return
08h 32m
Round-trip wheel time
Road vs Air
+26.3 mi
201.3 mi direct line
Halfway Stop
Thorntown
02h 08m from Gary
Leave By
8:28 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Gary and Sunny near Sunman.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 227.6 miles (366.3 km) and usually takes 04h 16m 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?

Thorntown is a useful midpoint, sitting about 113.8 miles from Gary and 113.8 miles from Sunman.

How much longer is the road route than the straight-line distance?

The direct path is about 201.3 miles (324 km), while the road route adds roughly 26.3 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 CDT. If you want a more comfortable same-day return, try to leave by 8:28 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $30.28 one way or $60.56 round trip. Estimated CO2 is about 71.4 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Gary and Sunman, 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 Sunny near Sunman.

Stop Ideas Near Thorntown

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Thorntown and the surrounding midpoint area.
Town of Mulberry - Town Hall & Municipal Utilities
Scenic stop 13.7 mi away

Town of Mulberry - Town Hall & Municipal Utilities

Mulberry , IN
123 S Glick St, Mulberry, IN 46058, United States
Park,Municipal corporation,City or town hall,Public library,Water works
Stop photo coming soon
Meeting point 12.7 mi away

Darlington Municipal Utilities

Darlington , IN
222 W Main St, Darlington, IN 47940
Rating 5.0/5 1 reviews City Hall

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Thorntown.

BUS

Crawfordsville (Bus), Indiana

26 mi away
1000 Smith Ave
RAIL

Crawfordsville

27 mi away
Spring and Green Streets
RAIL

Lafayette station

41 mi away
200 North 2nd St.
RAIL

Indianapolis Union Station

56 mi away
350 South Illinois Street

Flight Path Map

This map shows the direct air route between Gary and Sunman. Straight-line distance: 201.32 mi (324 km).

Gary

#1 Gary

The most populous city in Lake County, Indiana.

Population74,693
Coordinates41.5933700, -87.3464300
Altitude183
CountryUnited States
Photo coming soon

#2 Sunman

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

Population1,037
Coordinates39.2370000, -85.0946800
Altitude311
CountryUnited States
Start: Gary (-87.34643, 41.59337)
End: Sunman (-85.09468, 39.237)

Estimated Travel Time

Distance: 366 km by road

SpeedTime
30 mph (48.3 km/h)07h 35m
40 mph (64.37 km/h)05h 41m
50 mph (80.47 km/h)04h 33m
60 mph (96.56 km/h)03h 47m
70 mph (112.65 km/h)03h 15m
80 mph (129 km/h)02h 50m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.03 gal
30.4 L · about $30.28
Round trip
$60.56
16.06 gal · 60.8 L
Estimated CO2
71.4 kg one way
Round trip: 142.7 kg / 315 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $30.28 $60.56
Mid-grade $4.25 $34.15 $68.30
Premium $4.65 $37.37 $74.74
Diesel $5.30 $42.59 $85.18

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 Gary, IN and Sunman, IN. The current time in Gary is 01:12:44, although it is 02:12:44 in Sunman.

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.