How far is Dayton, OH from Fairfield, OH?
The driving distance from Dayton, OH to Fairfield, OH is about 41.4 miles (66.6 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 34.7 miles (55.8 km).
- For a round trip, plan for roughly 01h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 00h 55m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Dayton and Fairfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Fairfield.
-
1
Start on South Main Street
92 m · 12 sec · South Main Street
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2
Turn right onto West 4th Street
156 m · 18 sec · West 4th Street
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3
Turn left onto South Ludlow Street
2095 ft · 41 sec · South Ludlow Street
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4
Take the ramp slight right toward US 35 West: Eaton
1509 ft · 37 sec
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5
Merge slight left
1326 ft · 16 sec
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6
Take the exit slight right toward I 75 South, I 75 North, SR 4 North: Cincinnati, Toledo
628 ft · 15 sec
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7
Keep slight left to continue on I 75 South: Cincinnati
2228 ft · 50 sec
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8
Keep slight left to continue on I 75 South: Cincinnati
1244 ft · 30 sec
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9
Merge slight left
22.8 mi · 26 min
-
10
Take the exit slight right toward SR 63: Monroe, Lebanon
1403 ft · 34 sec
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11
Keep slight right to continue on SR 63 West: Monroe
700 ft · 17 sec
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12
Turn straight onto Hamilton Lebanon Road East
4.5 mi · 8 min · Hamilton Lebanon Road East
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13
Keep slight right to continue on SR 4 North: Middletown
872 ft · 24 sec
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14
Keep slight left
80 m · 7 sec
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15
Turn left onto Hamilton Middletown Road
6.5 mi · 8 min · Hamilton Middletown Road
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16
Continue on Fairgrove Avenue
3235 ft · 44 sec · Fairgrove Avenue
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17
Continue on North Erie Boulevard
3253 ft · 48 sec · North Erie Boulevard
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18
Continue on South Erie Highway
1.6 km · 2 min · South Erie Highway
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19
Turn right onto Grand Boulevard
1839 ft · 46 sec · Grand Boulevard
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20
Turn left onto Pleasant Avenue
2.5 mi · 4 min · Pleasant Avenue
-
21
Turn right onto Magie Avenue
96 m · 14 sec · Magie Avenue
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22
Arrive at your destination
0 m · 1 sec · Magie Avenue
Car Route Details
A richer read on the saved driving route between Dayton and Fairfield.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 75 South
Merge slight left
22.8 mi · 00h 26m
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.
Sunny leaving Dayton and Sunny near Fairfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Fairfield?
The road trip is about 41.4 miles (66.6 km) and usually takes 00h 55m 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?
Lemon is a useful midpoint, sitting about 20.7 miles from Dayton and 20.7 miles from Fairfield.
How much longer is the road route than the straight-line distance?
The direct path is about 34.7 miles (55.8 km), while the road route adds roughly 6.7 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 EDT. If you want a more comfortable same-day return, try to leave by 4:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.41 one way or $10.82 round trip. Estimated CO2 is about 13 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dayton and Sunny near Fairfield.
Stop Ideas Near Lemon
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 Lemon.
Cincinnati, OH
Cincinnati Museum Center at Union Terminal
Connersville station
Maysville
Flight Path Map
This map shows the direct air route between Dayton and Fairfield. Straight-line distance: 34.65 mi (55.77 km).
#1 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
#2 Fairfield
City in Ohio, United States
| Population | 1,091 |
| Coordinates | 39.3458900, -84.5605000 |
| Altitude | 180 |
| Country | United States |
End: Fairfield (-84.5605, 39.34589)
Estimated Travel Time
Distance: 67 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 22m |
| 40 mph (64.37 km/h) | 01h 02m |
| 50 mph (80.47 km/h) | 00h 49m |
| 60 mph (96.56 km/h) | 00h 41m |
| 70 mph (112.65 km/h) | 00h 35m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $5.41 | $10.82 |
| Mid-grade | $4.24 | $6.19 | $12.39 |
| Premium | $4.79 | $6.99 | $13.99 |
| Diesel | $4.30 | $6.28 | $12.57 |
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.