How far is Oak Harbor, OH from Dayton, OH?
The driving distance from Oak Harbor, OH to Dayton, OH is about 156.1 miles (251.2 km), with a travel time of about 02h 37m by car.
- The straight-line flight distance is about 132.6 miles (213.4 km).
- For a round trip, plan for roughly 05h 14m 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 02h 37m.
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.
Human settlement in Allen County, Ohio, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Oak Harbor and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Oak Harbor and Dayton.
-
1
Start on the route
6 m · 1 sec
-
2
Turn slight right
22 m · 11 sec
-
3
Turn left onto Mill Street
78 m · 13 sec · Mill Street
-
4
Turn right onto South Church Street
65 m · 25 sec · South Church Street
-
5
Turn left onto West Water Street
12.4 mi · 22 min · West Water Street
-
6
Merge slight left onto East Main Street
2883 ft · 2 min · East Main Street
-
7
Turn left onto Pemberville Road
1.1 km · 1 min · Pemberville Road
-
8
Turn slight right
1.7 mi · 3 min
-
9
At the end of the road, turn left onto Fostoria Road
2418 ft · 40 sec · Fostoria Road
-
10
Turn right onto Devils Hole Road
10.1 mi · 14 min · Devils Hole Road
-
11
Turn left onto Dunbridge Road
4.8 mi · 7 min · Dunbridge Road
-
12
Turn right onto East Wooster Street
944 ft · 18 sec · East Wooster Street
-
13
Enter the roundabout and take exit 1 toward East Wooster Street
28 m · 5 sec · East Wooster Street
-
14
Exit the rotary onto East Wooster Street
958 ft · 20 sec · East Wooster Street
-
15
Enter the roundabout and take exit 2 toward I 75 South: Dayton
59 m · 11 sec
-
16
Exit the roundabout onto I 75 South: Dayton
1797 ft · 44 sec
-
17
Merge slight left
126.2 mi · 2 hr 17 min
-
18
Merge slight left
51 m · 2 sec
-
19
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
-
20
Turn left onto North Main Street
1.4 km · 2 min · North Main Street
-
21
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Oak Harbor 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.
I 75 South
Merge slight left
126 mi · 02h 17m
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 Rain Showers leaving Oak Harbor and Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Oak Harbor to Dayton?
The road trip is about 156.1 miles (251.2 km) and usually takes 02h 37m 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?
Beaverdam is a useful midpoint, sitting about 79.5 miles from Oak Harbor and 76.6 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 132.6 miles (213.4 km), while the road route adds roughly 23.5 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 1:16 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.41 one way or $40.83 round trip. Estimated CO2 is about 49 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Oak Harbor and Sunny near Dayton.
Stop Ideas Near Beaverdam
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 Beaverdam.
Bryan
Martin Luther King, Jr. Plaza
Waterloo
Flight Path Map
This map shows the direct air route between Oak Harbor and Dayton. Straight-line distance: 132.61 mi (213.41 km).
#1 Oak Harbor
Human settlement in Ottawa County, Ohio, United States of America
| Population | 2,692 |
| Coordinates | 41.5067200, -83.1465900 |
| Altitude | 177 |
| 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: 251 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 12m |
| 40 mph (64.37 km/h) | 03h 54m |
| 50 mph (80.47 km/h) | 03h 07m |
| 60 mph (96.56 km/h) | 02h 36m |
| 70 mph (112.65 km/h) | 02h 13m |
| 80 mph (129 km/h) | 01h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $20.41 | $40.83 |
| Mid-grade | $4.24 | $23.37 | $46.75 |
| Premium | $4.79 | $26.39 | $52.79 |
| Diesel | $4.30 | $23.72 | $47.43 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.