How far is Thornport, OH from Dayton, OH?
The driving distance from Thornport, OH to Dayton, OH is about 106.1 miles (170.7 km), with a travel time of about 01h 44m by car.
- The straight-line flight distance is about 95.1 miles (153 km).
- For a round trip, plan for roughly 03h 28m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 44m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Jefferson County, Alabama, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Slight Chance Light Rain then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Thornport and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thornport and Dayton.
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1
Start on Town Hwy 1064
134 m · 20 sec · Town Hwy 1064
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2
Turn right onto Zion Road
706 ft · 18 sec · Zion Road
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3
Turn left
2.1 mi · 3 min
-
4
Take the ramp left
1625 ft · 40 sec
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5
Merge slight left
32.5 mi · 37 min
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6
Keep slight left to continue on South Innerbelt
1.5 km · 1 min · South Innerbelt
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7
Continue on West Freeway
57.6 mi · 1 hr 3 min · West Freeway
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8
Take the exit slight right toward SR 4, SR 235: Dayton, New Carlisle
1730 ft · 42 sec
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9
Keep slight left to continue on SR 4, SR 235 South: Dayton
11.1 mi · 14 min
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10
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
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11
Turn left onto North Main Street
1.4 km · 2 min · North Main Street
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12
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Thornport and Dayton.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
West Freeway
Continue on West Freeway
57.6 mi · 01h 03m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Chance Light Rain leaving Thornport and Slight Chance Light Rain then Mostly Cloudy near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thornport to Dayton?
The road trip is about 106.1 miles (170.7 km) and usually takes 01h 44m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
West Jefferson is a useful midpoint, sitting about 52.9 miles from Thornport and 53.1 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 95.1 miles (153 km), while the road route adds roughly 11 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 8:00 AM to 10:00 AM EST. If you want a more comfortable same-day return, try to leave by 3:02 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.88 one way or $29.76 round trip. Estimated CO2 is about 33.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Thornport and Slight Chance Light Rain then Mostly Cloudy near Dayton.
Stop Ideas Near West Jefferson
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
London City Hall
Old Hilliard
City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to West Jefferson.
Columbus, OH
Flight Path Map
This map shows the direct air route between Thornport and Dayton. Straight-line distance: 95.07 mi (153 km).
#1 Thornport
Thornport is a place in Ohio, United States.
| Population | 0 |
| Coordinates | 39.9131200, -82.4109900 |
| Altitude | 274 |
| Country | United States |
#2 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
End: South Main Street (-84.191655, 39.758942)
Estimated Travel Time
Distance: 171 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 32m |
| 40 mph (64.37 km/h) | 02h 39m |
| 50 mph (80.47 km/h) | 02h 07m |
| 60 mph (96.56 km/h) | 01h 46m |
| 70 mph (112.65 km/h) | 01h 30m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.98 | $14.88 | $29.76 |
| Mid-grade | $4.56 | $17.06 | $34.12 |
| Premium | $5.10 | $19.08 | $38.16 |
| Diesel | $6.39 | $23.90 | $47.80 |
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 · Nov 06, 2026