How far is Chillicothe, OH from Merrillville, IN?

The driving distance from Chillicothe, OH to Merrillville, IN is about 329.1 miles (529.6 km), with a travel time of about 06h 15m by car.

  • The straight-line flight distance is about 272.8 miles (439 km).
  • For a round trip, plan for roughly 12h 31m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
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
329.06 mi
06h 15m
Flight
272.79 mi
439.02 km direct

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

Learn Distance

Choose another destination from Chillicothe.

Flight Distance

Direct air line
272.79 mi
Kilometers
439.02 km
Flight Time
00h 32m

Driving Distance

Road route
329.06 mi
Kilometers
529.57 km
Drive Time
06h 15m

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 06h 15m.

Arrival Snapshot
Arrive in Merrillville
Thu, Oct 15, 11:44 PM CDT
Return by in Chillicothe
Fri, Oct 16, 6:59 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Chillicothe
2026-10-15T18:28
Arrive Merrillville
Fri, Oct 16, 12:44 AM EDT
Route Timing
06h 15m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
11:16 AM to 12:46 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:28 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Chillicothe
8:00 PM EDT
Overnight-style route

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
Riley
IN

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

From Chillicothe
164.4 mi
03h 07m
To Merrillville
164.7 mi
03h 07m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
This Afternoon

Mostly Cloudy

Starts
Thu, Oct 15 4:00 PM EDT
Wind
3 mph SE
Destination
66°F
This Afternoon

Showers And Thunderstorms

Starts
Thu, Oct 15 1:00 PM CDT
Wind
10 mph SE

Driving Route Map

The map below follows the saved road route between Chillicothe and Merrillville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Chillicothe and Merrillville.

  1. 1

    Start on West Main Street

    1683 ft · 30 sec · West Main Street

  2. 2

    Turn right onto North High Street

    1.5 mi · 2 min · North High Street

  3. 3

    Take the ramp left toward US 35 West: Dayton

    1035 ft · 25 sec

  4. 4

    Merge slight left

    73.9 mi · 1 hr 23 min

  5. 5

    Take the exit slight right toward SR 48: Main Street, Jefferson Street

    3027 ft · 1 min

  6. 6

    Keep slight right to continue on Jefferson Street, Day Air Ballpark, Patterson boulevard

    98 m · 8 sec

  7. 7

    Turn slight right onto South Jefferson Street

    1.2 km · 1 min · South Jefferson Street

  8. 8

    At the end of the road, turn left onto East Monument Avenue

    1.1 km · 1 min · East Monument Avenue

  9. 9

    Turn left onto West Riverview Avenue

    677 ft · 18 sec · West Riverview Avenue

  10. 10

    Turn right onto Salem Avenue

    101.9 mi · 1 hr 59 min · Salem Avenue

  11. 11

    Take the exit slight right toward I 465 South, I 465 North

    1463 ft · 26 sec

  12. 12

    Keep slight right to continue on I 465 North

    2479 ft · 54 sec

  13. 13

    Merge slight right

    6.1 mi · 7 min

  14. 14

    Keep slight left

    1477 ft · 20 sec

  15. 15

    Continue on I-465 WB

    1.3 km · 57 sec · I-465 WB

  16. 16

    Continue straight

    10.9 mi · 13 min

  17. 17

    Keep slight left to continue on I 865 West: Chicago

    5 mi · 6 min

  18. 18

    Merge slight left

    12.3 mi · 13 min

  19. 19

    Take the exit slight right toward US 52 West

    1281 ft · 16 sec

  20. 20

    Keep slight left

    786 ft · 10 sec

  21. 21

    Merge slight left

    110.4 mi · 1 hr 59 min

  22. 22

    Take the exit slight right toward US 30: Merrillville, Hobart, Valparaiso

    1618 ft · 40 sec

  23. 23

    Keep slight left to continue on US 30: Merrillville, Hobart, Valparaiso, VA Clinic

    138 m · 15 sec

  24. 24

    Turn left onto US 30: Merrillville, Hobart, Valparaiso

    33 m · 4 sec

  25. 25

    Turn left onto East 81st Avenue

    1.1 km · 1 min · East 81st Avenue

  26. 26

    Turn right onto Broadway

    1.4 km · 2 min · Broadway

  27. 27

    Turn right onto Indian Trail

    1156 ft · 51 sec · Indian Trail

  28. 28

    Arrive at your destination

    0 m · 1 sec · Indian Trail

Car Route Details

A richer read on the saved driving route between Chillicothe and Merrillville.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
28 steps
9 turns on the saved route
Ramps & Exits
9
4 merges, 5 ramps or exits
Navigation Density
8.5 / 100 mi
Decision points by distance
Main Roads
US 52 West
111 mi · 34%
Salem Avenue
102 mi · 31%
US 35 West
74.1 mi · 23%
I 865 West
17.2 mi · 5%
I-465 WB
11.7 mi · 4%
I 465 North
6.85 mi · 2%
Longest Stretch

US 52 West

Merge slight left

110 mi · 01h 59m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 15m
Overnight route
Same-Day Return
12h 32m
Round-trip wheel time
Road vs Air
+56.3 mi
272.8 mi direct line
Halfway Stop
Riley
03h 07m from Chillicothe
Leave By
11:28 PM EDT
Overnight-style route
Weather Watch

Mostly Cloudy leaving Chillicothe and Showers And Thunderstorms near Merrillville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Chillicothe to Merrillville?

The road trip is about 329.1 miles (529.6 km) and usually takes 06h 15m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Riley is a useful midpoint, sitting about 164.4 miles from Chillicothe and 164.7 miles from Merrillville.

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

The direct path is about 272.8 miles (439 km), while the road route adds roughly 56.3 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $44.47 one way or $88.93 round trip. Estimated CO2 is about 103.2 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Chillicothe and Merrillville, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Chillicothe and Showers And Thunderstorms near Merrillville.

Stop Ideas Near Riley

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

Mid-route Guidance
Local place coverage is thin around Riley, 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 Riley.

RAIL

Indianapolis Union Station

37 mi away
350 South Illinois Street
RAIL

Connersville station

53 mi away
1012 Eastern Avenue
RAIL

Crawfordsville

104 mi away
Spring and Green Streets
BUS

Crawfordsville (Bus), Indiana

105 mi away
1000 Smith Ave

Flight Path Map

This map shows the direct air route between Chillicothe and Merrillville. Straight-line distance: 272.79 mi (439.02 km).

Chillicothe

#1 Chillicothe

City in and the county seat of Ross County, Ohio, United States

Population21,647
Coordinates39.3331200, -82.9824000
Altitude192
CountryUnited States
Merrillville

#2 Merrillville

Town in Ross Township, Lake County, Indiana

Population34,916
Coordinates41.4828100, -87.3328100
Altitude200
CountryUnited States
Start: Chillicothe (-82.9824, 39.33312)
End: Merrillville (-87.33281, 41.48281)

Estimated Travel Time

Distance: 530 km by road

SpeedTime
30 mph (48.3 km/h)10h 57m
40 mph (64.37 km/h)08h 13m
50 mph (80.47 km/h)06h 34m
60 mph (96.56 km/h)05h 29m
70 mph (112.65 km/h)04h 42m
80 mph (129 km/h)04h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.61 gal
43.95 L · about $44.47
Round trip
$88.93
23.22 gal · 87.9 L
Estimated CO2
103.2 kg one way
Round trip: 206.4 kg / 455 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.83 $44.47 $88.93
Mid-grade $4.38 $50.89 $101.77
Premium $4.93 $57.20 $114.40
Diesel $6.07 $70.45 $140.90

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 Ohio · Oct 15, 2026

Please keep in mind that there is a 1 hour time gap between Chillicothe, OH and Merrillville, IN. The current time in Chillicothe is 18:28:16, although it is 17:28:16 in Merrillville.

Distance to Other Cities

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