How far is Plymouth, OH from Dayton, OH?
The driving distance from Plymouth, OH to Dayton, OH is about 134 miles (215.6 km), with a travel time of about 02h 38m by car.
- The straight-line flight distance is about 117.2 miles (188.6 km).
- For a round trip, plan for roughly 05h 16m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 38m.
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 Union County, Ohio, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Frost then Sunny
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.
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1
Start on West Broadway Street
130 m · 14 sec · West Broadway Street
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2
Turn right onto Plymouth Street
1378 ft · 23 sec · Plymouth Street
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3
Continue on Plymouth Street
1396 ft · 24 sec · Plymouth Street
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4
Continue on Bucyrus Street
4.9 mi · 9 min · Bucyrus Street
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5
Turn left onto State Route 598
13.1 mi · 18 min · State Route 598
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6
Continue on Portland Way North
2.7 mi · 6 min · Portland Way North
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7
Continue straight
20.8 mi · 31 min
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8
Turn left onto South Prospect Street
1.8 mi · 3 min · South Prospect Street
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9
Continue on Marion-Marysville Road
24.5 mi · 36 min · Marion-Marysville Road
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10
Take the ramp right
1463 ft · 36 sec
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11
Keep slight left to continue on US 33 West, US 36 West, SR 4 South
1.5 mi · 2 min
-
12
Take the exit slight right toward US 36 West, SR 4 South: Urbana, Springfield
564 ft · 14 sec
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13
Keep slight left to continue on US 36 West, SR 4 South: Urbana, Springfield
28.5 mi · 34 min
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14
Turn right onto State Route 334
3.7 mi · 4 min · State Route 334
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15
Turn left
2639 ft · 1 min
-
16
Merge slight left onto US Route 68
4.3 mi · 5 min · US Route 68
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17
Take the exit slight right toward US 40 West, SR 4 West: Dayton
1024 ft · 30 sec
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18
Turn left onto Upper Valley Pike
154 m · 11 sec · Upper Valley Pike
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19
Turn right onto West Main Street
810 ft · 11 sec · West Main Street
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20
Continue on West National Road
928 ft · 12 sec · West National Road
-
21
Keep slight left
11 mi · 12 min
-
22
Take the exit slight right toward SR 4, SR 235: Dayton, New Carlisle
1730 ft · 42 sec
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23
Keep slight left to continue on SR 4, SR 235 South: Dayton
11.1 mi · 14 min
-
24
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
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25
Turn left onto North Main Street
1.4 km · 2 min · North Main Street
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26
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.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
US 36 West
Keep slight left to continue on US 36 West, SR 4 South: Urbana, Springfield
28.5 mi · 00h 34m
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.
Mostly Clear leaving Plymouth and Areas Of Frost then 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 134 miles (215.6 km) and usually takes 02h 38m 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?
Magnetic Springs is a useful midpoint, sitting about 65.6 miles from Plymouth and 68.4 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 117.2 miles (188.6 km), while the road route adds roughly 16.8 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 EST. If you want a more comfortable same-day return, try to leave by 1:14 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.26 one way or $36.52 round trip. Estimated CO2 is about 42 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Plymouth and Areas Of Frost then Sunny near Dayton.
Stop Ideas Near Magnetic Springs
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 Magnetic Springs.
Columbus, OH
Flight Path Map
This map shows the direct air route between Plymouth and Dayton. Straight-line distance: 117.21 mi (188.63 km).
#1 Plymouth
Situated in the north-central region of the state, this village sits along the boundary separating Huron and Richland counties.
| Population | 0 |
| Coordinates | 40.9956100, -82.6671200 |
| Altitude | 310 |
| 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: 216 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 27m |
| 40 mph (64.37 km/h) | 03h 20m |
| 50 mph (80.47 km/h) | 02h 40m |
| 60 mph (96.56 km/h) | 02h 13m |
| 70 mph (112.65 km/h) | 01h 54m |
| 80 mph (129 km/h) | 01h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.86 | $18.26 | $36.52 |
| Mid-grade | $4.45 | $21.03 | $42.06 |
| Premium | $4.99 | $23.62 | $47.24 |
| Diesel | $6.33 | $29.93 | $59.85 |
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 · Nov 08, 2026