How far is Thornville, OH from Clarksville, OH?
The driving distance from Thornville, OH to Clarksville, OH is about 19.3 miles (31 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 14.9 miles (23.9 km).
- For a round trip, plan for roughly 01h 03m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 31m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Village in Ohio, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Thornville and Clarksville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thornville and Clarksville.
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1
Start on East Columbus Street
1.1 km · 2 min · East Columbus Street
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2
Turn right
10.5 mi · 16 min
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3
Exit the roundabout onto West Main Street
917 ft · 22 sec · West Main Street
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4
Turn left onto South Market Street
3065 ft · 1 min · South Market Street
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5
Continue on State Route 668
5.3 mi · 9 min · State Route 668
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6
At the end of the road, turn left
1.3 km · 1 min
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7
At the end of the road, turn right onto Logan Street
1.2 mi · 2 min · Logan Street
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8
Turn left onto Mainesville Road East
62 m · 6 sec · Mainesville Road East
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9
Arrive at your destination
0 m · 1 sec · Mainesville Road East
Car Route Details
A richer read on the saved driving route between Thornville and Clarksville.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Longest stretch
Turn right
10.5 mi · 00h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Showers And Thunderstorms Likely leaving Thornville and Chance Rain Showers near Clarksville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thornville to Clarksville?
The road trip is about 19.3 miles (31 km) and usually takes 00h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Somerset is a useful midpoint, sitting about 9.6 miles from Thornville and 9.6 miles from Clarksville.
How much longer is the road route than the straight-line distance?
The direct path is about 14.9 miles (23.9 km), while the road route adds roughly 4.4 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:26 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.52 one way or $5.04 round trip. Estimated CO2 is about 6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Thornville and Chance Rain Showers near Clarksville.
Stop Ideas Near Somerset
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 Somerset.
Columbus, OH
Flight Path Map
This map shows the direct air route between Thornville and Clarksville. Straight-line distance: 14.87 mi (23.93 km).
#1 Thornville
Village in the United States
| Population | 1,007 |
| Coordinates | 39.8964500, -82.4201500 |
| Altitude | 314 |
| Country | United States |
#2 Clarksville
Human settlement in Clinton County, Ohio, United States of America
| Population | 552 |
| Coordinates | 39.7053500, -82.2912600 |
| Altitude | 304 |
| Country | United States |
End: Clarksville (-82.29126, 39.70535)
Estimated Travel Time
Distance: 31 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 38m |
| 40 mph (64.37 km/h) | 00h 28m |
| 50 mph (80.47 km/h) | 00h 23m |
| 60 mph (96.56 km/h) | 00h 19m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $2.52 | $5.04 |
| Mid-grade | $4.24 | $2.88 | $5.77 |
| Premium | $4.79 | $3.26 | $6.51 |
| Diesel | $4.30 | $2.93 | $5.85 |
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 · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.