How far is Farmington, OH from Dayton, OH?
The driving distance from Farmington, OH to Dayton, OH is about 193.4 miles (311.3 km), with a travel time of about 03h 11m by car.
- The straight-line flight distance is about 180.1 miles (289.8 km).
- For a round trip, plan for roughly 06h 23m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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 03h 11m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Town in Ohio, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Scattered Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Farmington and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Farmington and Dayton.
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1
Start on Farmington Road
1.6 km · 2 min · Farmington Road
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2
Continue on Church Street
785 ft · 27 sec · Church Street
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3
Continue on Church Street
68 m · 8 sec · Church Street
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4
At the end of the road, turn right onto Blaine Barton Road
135 m · 15 sec · Blaine Barton Road
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5
Turn left onto Barton Colerain Road
151 m · 17 sec · Barton Colerain Road
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6
Turn left onto Barton Road
116 m · 12 sec · Barton Road
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7
At the end of the road, turn right onto Main Street
736 ft · 20 sec · Main Street
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8
Continue on Barton Road
3.5 mi · 8 min · Barton Road
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9
At the end of the road, turn right onto East Main Street
1.5 mi · 2 min · East Main Street
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10
Continue on National Road West
1.2 km · 1 min · National Road West
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11
Take the ramp slight right
1623 ft · 40 sec
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12
Merge slight left
115 mi · 2 hr 6 min
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13
Keep slight left to continue on South Innerbelt
1.5 km · 1 min · South Innerbelt
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14
Continue on West Freeway
57.6 mi · 1 hr 3 min · West Freeway
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15
Take the exit slight right toward SR 4, SR 235: Dayton, New Carlisle
1730 ft · 42 sec
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16
Keep slight left to continue on SR 4, SR 235 South: Dayton
11.1 mi · 14 min
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17
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
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18
Turn left onto North Main Street
1.4 km · 2 min · North Main Street
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19
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Farmington and Dayton.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
National Road West
Merge slight left
115 mi · 02h 06m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Scattered Showers And Thunderstorms leaving Farmington and Chance Showers And Thunderstorms near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Farmington to Dayton?
The road trip is about 193.4 miles (311.3 km) and usually takes 03h 11m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Hebron is a useful midpoint, sitting about 96.6 miles from Farmington and 96.8 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 180.1 miles (289.8 km), while the road route adds roughly 13.3 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:36 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.31 one way or $50.61 round trip. Estimated CO2 is about 60.7 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Showers And Thunderstorms around Farmington and Chance Showers And Thunderstorms near Dayton.
Stop Ideas Near Hebron
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 Hebron.
Columbus, OH
Flight Path Map
This map shows the direct air route between Farmington and Dayton. Straight-line distance: 180.09 mi (289.83 km).
#1 Farmington
Township in Trumbull County, Ohio
| Population | 2,563 |
| Coordinates | 40.1086800, -80.8228600 |
| Altitude | 343 |
| 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: 311 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 26m |
| 40 mph (64.37 km/h) | 04h 50m |
| 50 mph (80.47 km/h) | 03h 52m |
| 60 mph (96.56 km/h) | 03h 13m |
| 70 mph (112.65 km/h) | 02h 45m |
| 80 mph (129 km/h) | 02h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $25.31 | $50.61 |
| Mid-grade | $4.24 | $28.97 | $57.95 |
| Premium | $4.79 | $32.72 | $65.43 |
| Diesel | $4.30 | $29.40 | $58.79 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.