How far is Dayton, OH from Dunham, OH?
The driving distance from Dayton, OH to Dunham, OH is about 178.7 miles (287.6 km), with a travel time of about 03h 36m by car.
- The straight-line flight distance is about 139.7 miles (224.8 km).
- For a round trip, plan for roughly 07h 13m 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 36m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Village in Fairfield County, Ohio, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Dayton and Dunham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Dunham.
-
1
Start on South Main Street
1.3 km · 2 min · South Main Street
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2
Take the ramp right toward I 75 North, SR 4 North: Toledo, Springfield
43 m · 3 sec
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3
Keep slight right to continue on SR 4 North: Springfield
1102 ft · 23 sec
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4
Merge slight left
10.4 mi · 13 min
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5
Take the exit slight right toward US 70 East, SR 4 North: Columbus
5.8 mi · 7 min
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6
Keep slight left
49.2 mi · 53 min
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7
Keep slight right to continue on West Freeway
3.2 mi · 4 min · West Freeway
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8
Continue on South Innerbelt
1.5 mi · 2 min · South Innerbelt
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9
Keep slight left to continue on South Innerbelt
2008 ft · 31 sec · South Innerbelt
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10
Continue on East Freeway
3.6 mi · 5 min · East Freeway
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11
Take the exit slight right toward US 33 East: Lancaster
1514 ft · 37 sec
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12
Continue on College Avenue
1779 ft · 30 sec · College Avenue
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13
Keep slight right to continue on Southeast Expressway
8.8 mi · 11 min · Southeast Expressway
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14
Continue on Columbus-Lancaster Road Northwest
7.6 mi · 9 min · Columbus-Lancaster Road Northwest
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15
Continue on Lancaster Bypass
13.8 mi · 15 min · Lancaster Bypass
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16
Continue on Logan-Lancaster Road
3.5 mi · 4 min · Logan-Lancaster Road
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17
Continue on Logan-Lancaster Road Southeast
2.6 mi · 3 min · Logan-Lancaster Road Southeast
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18
Continue on Old Logan Road
31.7 mi · 36 min · Old Logan Road
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19
Take the exit slight left
1.4 km · 2 min
-
20
Merge slight right onto James A. Rhodes Appalachian Highway
18.6 mi · 23 min · James A. Rhodes Appalachian Highway
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21
Keep slight left to continue on US 50 East, SR 32 East, SR 7 North: Belpre, Marietta
1 km · 1 min
-
22
Merge slight left onto SR 7
8.7 mi · 11 min · SR 7
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23
Keep slight right to continue on SR 7
1.6 km · 1 min · SR 7
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24
Take the exit slight right toward US 50, SR 339: Parkersburg, Beverly
917 ft · 22 sec
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25
Keep slight right to continue on SR 339: Beverly
1408 ft · 40 sec
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26
Turn left
1.8 mi · 3 min
-
27
Turn right onto Oxbow Road
2.7 mi · 8 min · Oxbow Road
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28
At the end of the road, turn right onto Veto Road
1675 ft · 46 sec · Veto Road
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29
Arrive at your destination
0 m · 1 sec · Veto Road
Car Route Details
A richer read on the saved driving route between Dayton and Dunham.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 70 East
Keep slight left
49.2 mi · 00h 53m
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.
Sunny leaving Dayton and Sunny near Dunham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Dunham?
The road trip is about 178.7 miles (287.6 km) and usually takes 03h 36m 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?
Carroll is a useful midpoint, sitting about 89.2 miles from Dayton and 89.5 miles from Dunham.
How much longer is the road route than the straight-line distance?
The direct path is about 139.7 miles (224.8 km), while the road route adds roughly 39 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 9:46 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.38 one way or $46.76 round trip. Estimated CO2 is about 56.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dayton and Sunny near Dunham.
Stop Ideas Near Carroll
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 Carroll.
Columbus, OH
Flight Path Map
This map shows the direct air route between Dayton and Dunham. Straight-line distance: 139.69 mi (224.81 km).
#1 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
#2 Dunham
Township in Washington County, Ohio
| Population | 2,505 |
| Coordinates | 39.3348000, -81.6279100 |
| Altitude | 198 |
| Country | United States |
End: Dunham (-81.62791, 39.3348)
Estimated Travel Time
Distance: 288 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 57m |
| 40 mph (64.37 km/h) | 04h 28m |
| 50 mph (80.47 km/h) | 03h 34m |
| 60 mph (96.56 km/h) | 02h 58m |
| 70 mph (112.65 km/h) | 02h 33m |
| 80 mph (129 km/h) | 02h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $23.38 | $46.76 |
| Mid-grade | $4.24 | $26.77 | $53.53 |
| Premium | $4.79 | $30.22 | $60.45 |
| Diesel | $4.30 | $27.16 | $54.32 |
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.