How far is Plymouth, OH from Dayton, OH?
The driving distance from Plymouth, OH to Dayton, OH is about 266.2 miles (428.4 km), with a travel time of about 04h 10m by car.
- The straight-line flight distance is about 229.9 miles (370 km).
- For a round trip, plan for roughly 08h 20m 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 04h 10m.
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.
The most populous city in Richland County, Ohio.
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 Plymouth and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Plymouth and Dayton.
-
1
Start on Carson Road
1 km · 2 min · Carson Road
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2
Turn left onto South State Road
1.2 mi · 2 min · South State Road
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3
Take the ramp right toward SR 11 North
1165 ft · 28 sec
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4
Merge slight left onto State Route 11
1.2 mi · 1 min · State Route 11
-
5
Take the exit slight right toward I 90 West: Cleveland
1481 ft · 36 sec
-
6
Keep slight left to continue on I 90 West: Cleveland
2793 ft · 1 min
-
7
Merge slight left
38.2 mi · 42 min
-
8
Keep slight left
13.9 mi · 17 min
-
9
Merge slight right onto Outerbelt East Freeway
3.6 mi · 4 min · Outerbelt East Freeway
-
10
Keep slight left
24.3 mi · 27 min
-
11
Merge slight left
110.2 mi · 1 hr 59 min
-
12
Take the exit slight right toward I 670 East, I 670 West: Airport, Dayton
1692 ft · 41 sec
-
13
Keep slight right to continue on I 670 West: Dayton
1491 ft · 36 sec
-
14
Merge slight left onto Northeast Freeway
1248 ft · 19 sec · Northeast Freeway
-
15
Keep slight right
4.5 mi · 6 min
-
16
Merge slight right onto West Freeway
54.2 mi · 58 min · West Freeway
-
17
Take the exit slight right toward SR 4, SR 235: Dayton, New Carlisle
1730 ft · 42 sec
-
18
Keep slight left to continue on SR 4, SR 235 South: Dayton
11.1 mi · 14 min
-
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
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21
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Plymouth 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.
Outerbelt East Freeway
Merge slight left
110 mi · 01h 59m
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.
Chance Rain Showers leaving Plymouth and Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Plymouth to Dayton?
The road trip is about 266.2 miles (428.4 km) and usually takes 04h 10m 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?
Mansfield is a useful midpoint, sitting about 133 miles from Plymouth and 133.2 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 229.9 miles (370 km), while the road route adds roughly 36.3 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 8:40 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.79 one way or $69.58 round trip. Estimated CO2 is about 83.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Plymouth and Sunny near Dayton.
Stop Ideas Near Mansfield
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 Mansfield.
Elyria
Sandusky
Columbus, OH
Cleveland Lakefront station
Flight Path Map
This map shows the direct air route between Plymouth and Dayton. Straight-line distance: 229.93 mi (370.03 km).
#1 Plymouth
Town
| Population | 1,789 |
| Coordinates | 41.8258900, -80.7459200 |
| Altitude | 262 |
| 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: 428 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 52m |
| 40 mph (64.37 km/h) | 06h 39m |
| 50 mph (80.47 km/h) | 05h 19m |
| 60 mph (96.56 km/h) | 04h 26m |
| 70 mph (112.65 km/h) | 03h 48m |
| 80 mph (129 km/h) | 03h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $34.79 | $69.58 |
| Mid-grade | $4.24 | $39.83 | $79.66 |
| Premium | $4.79 | $44.98 | $89.96 |
| Diesel | $4.30 | $40.41 | $80.83 |
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.