How far is Clarksville, OH from Thornville, OH?
The driving distance from Clarksville, OH to Thornville, OH is about 19.3 miles (31 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 14.9 miles (23.9 km).
- For a round trip, plan for roughly 00h 54m 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 27m.
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.
Slight Chance Showers And Thunderstorms
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Clarksville and Thornville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Clarksville and Thornville.
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1
Start on Mainesville Road East
62 m · 6 sec · Mainesville Road East
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2
Turn right
1.2 mi · 2 min
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3
Turn left onto Main Street
1.3 km · 1 min · Main Street
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4
Turn right onto State Route 668
5.3 mi · 9 min · State Route 668
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5
Continue on South Market Street
3065 ft · 1 min · South Market Street
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6
Turn right onto West Main Street
854 ft · 16 sec · West Main Street
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7
Exit the roundabout onto North Columbus Street
2.2 mi · 3 min · North Columbus Street
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8
Continue on Ohio State Route 13
8.3 mi · 12 min · Ohio State Route 13
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9
Turn left onto East Columbus Street
1.1 km · 2 min · East Columbus Street
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10
Arrive at your destination
0 m · 1 sec · East Columbus Street
Car Route Details
A richer read on the saved driving route between Clarksville and Thornville.
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.
Ohio State Route 13
Continue on Ohio State Route 13
8.35 mi · 00h 13m
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.
Slight Chance Showers And Thunderstorms leaving Clarksville and Partly Cloudy near Thornville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Clarksville to Thornville?
The road trip is about 19.3 miles (31 km) and usually takes 00h 27m 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 Clarksville and 9.6 miles from Thornville.
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 7:36 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 Slight Chance Showers And Thunderstorms around Clarksville and Partly Cloudy near Thornville.
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 Clarksville and Thornville. Straight-line distance: 14.87 mi (23.93 km).
#1 Clarksville
Human settlement in Clinton County, Ohio, United States of America
| Population | 552 |
| Coordinates | 39.7053500, -82.2912600 |
| Altitude | 304 |
| Country | United States |
#2 Thornville
Village in the United States
| Population | 1,007 |
| Coordinates | 39.8964500, -82.4201500 |
| Altitude | 314 |
| Country | United States |
End: East Columbus Street (-82.420157, 39.896365)
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.