How far is Merrillville, IN from Chillicothe, OH?
The driving distance from Merrillville, IN to Chillicothe, OH is about 329.3 miles (529.9 km), with a travel time of about 06h 18m by car.
- The straight-line flight distance is about 272.8 miles (439 km).
- For a round trip, plan for roughly 12h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 06h 18m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Human settlement in Vigo County, Indiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Merrillville and Chillicothe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrillville and Chillicothe.
-
1
Start on Indian Trail
1156 ft · 56 sec · Indian Trail
-
2
At the end of the road, turn left onto Broadway
1.4 km · 2 min · Broadway
-
3
Turn left onto East 81st Avenue
1798 ft · 42 sec · East 81st Avenue
-
4
Take the ramp slight right toward I 65: Indianapolis, Chicago
122 m · 10 sec
-
5
Keep slight right to continue on I 65 South: Indianapolis
2578 ft · 1 min
-
6
Merge slight left onto Casimir Pulaski Memorial Highway
122.9 mi · 2 hr 12 min · Casimir Pulaski Memorial Highway
-
7
Keep slight right
5.1 mi · 6 min
-
8
Merge slight right
12.5 mi · 15 min
-
9
Merge slight right
5.7 mi · 7 min
-
10
Take the exit slight right toward I 70: Dayton, Indianapolis
1087 ft · 17 sec
-
11
Keep slight left to continue on I 70: Dayton, Indianapolis
44 m · 2 sec
-
12
Keep slight left to continue on I 70 East: Dayton
1 km · 1 min
-
13
Merge slight left onto Dwight D Eisenhower Highway
68.1 mi · 1 hr 19 min · Dwight D Eisenhower Highway
-
14
Keep slight left
24.2 mi · 26 min
-
15
Keep slight right to continue on SR 49 South: Clayton, Trotwood
10 mi · 15 min
-
16
Continue on West 1st Street
116 m · 7 sec · West 1st Street
-
17
Continue on West 1st Street
11 m · 1 sec · West 1st Street
-
18
Continue on West 1st Street
2425 ft · 58 sec · West 1st Street
-
19
Turn right onto North Ludlow Street
1.1 km · 1 min · North Ludlow Street
-
20
Take the ramp straight toward US 35 East: Xenia
2382 ft · 58 sec
-
21
Merge slight left
33.9 mi · 42 min
-
22
Keep slight left to continue on US 35 East: Washington Court House
40.4 mi · 43 min
-
23
Take the exit slight right toward SR 104: High Street
1275 ft · 32 sec
-
24
Turn right
1.4 mi · 2 min
-
25
Turn left onto West Main Street
1683 ft · 29 sec · West Main Street
-
26
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Merrillville and Chillicothe.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Casimir Pulaski Memorial Highway
Merge slight left onto Casimir Pulaski Memorial Highway
123 mi · 02h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Showers And Thunderstorms leaving Merrillville and Showers And Thunderstorms Likely near Chillicothe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Merrillville to Chillicothe?
The road trip is about 329.3 miles (529.9 km) and usually takes 06h 18m 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 Merrillville and 164.8 miles from Chillicothe.
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 56.5 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 CDT. 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 $44.88 one way or $89.75 round trip. Estimated CO2 is about 103.3 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Merrillville and Chillicothe, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Merrillville and Showers And Thunderstorms Likely near Chillicothe.
Stop Ideas Near Riley
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 Riley.
Indianapolis Union Station
Connersville station
Crawfordsville
Crawfordsville (Bus), Indiana
Flight Path Map
This map shows the direct air route between Merrillville and Chillicothe. Straight-line distance: 272.79 mi (439.02 km).
#1 Merrillville
Town in Ross Township, Lake County, Indiana
| Population | 34,916 |
| Coordinates | 41.4828100, -87.3328100 |
| Altitude | 200 |
| Country | United States |
#2 Chillicothe
City in and the county seat of Ross County, Ohio, United States
| Population | 21,647 |
| Coordinates | 39.3331200, -82.9824000 |
| Altitude | 192 |
| Country | United States |
End: Chillicothe (-82.9824, 39.33312)
Estimated Travel Time
Distance: 530 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 58m |
| 40 mph (64.37 km/h) | 08h 13m |
| 50 mph (80.47 km/h) | 06h 35m |
| 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.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.86 | $44.88 | $89.75 |
| Mid-grade | $4.46 | $51.77 | $103.53 |
| Premium | $4.99 | $57.96 | $115.92 |
| Diesel | $6.62 | $76.94 | $153.87 |
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