How far is Sylvania, OH from Dayton, OH?
The driving distance from Sylvania, OH to Dayton, OH is about 155.7 miles (250.6 km), with a travel time of about 02h 23m by car.
- The straight-line flight distance is about 137.7 miles (221.6 km).
- For a round trip, plan for roughly 04h 46m 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 23m.
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
Mostly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Sylvania and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sylvania and Dayton.
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1
Start on Erie Street
120 m · 14 sec · Erie Street
-
2
Turn slight right onto Maplewood Avenue
37 m · 7 sec · Maplewood Avenue
-
3
Turn right onto Parkwood Boulevard
740 ft · 26 sec · Parkwood Boulevard
-
4
Continue on Parkwood Boulevard
40 m · 9 sec · Parkwood Boulevard
-
5
Turn left onto Monroe Street
1 mi · 3 min · Monroe Street
-
6
Take the ramp slight right
2867 ft · 1 min
-
7
Merge slight left
14.7 mi · 17 min
-
8
Take the exit slight right toward I 75 South: Dayton
1 km · 1 min
-
9
Merge slight left
137 mi · 2 hr 28 min
-
10
Merge slight left
51 m · 2 sec
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11
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
-
12
Turn left onto North Main Street
1.4 km · 2 min · North Main Street
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13
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Sylvania 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
137 mi · 02h 28m
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 Sylvania and Mostly Sunny then Slight Chance Rain Showers near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sylvania to Dayton?
The road trip is about 155.7 miles (250.6 km) and usually takes 02h 23m 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 77.7 miles from Sylvania and 78 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 137.7 miles (221.6 km), while the road route adds roughly 18 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 1:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.34 one way or $40.68 round trip. Estimated CO2 is about 48.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Sylvania and Mostly Sunny then Slight Chance Rain Showers 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 Sylvania and Dayton. Straight-line distance: 137.72 mi (221.64 km).
#1 Sylvania
City near Toledo, Ohio
| Population | 19,515 |
| Coordinates | 41.7189400, -83.7129900 |
| Altitude | 202 |
| 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 11m |
| 40 mph (64.37 km/h) | 03h 53m |
| 50 mph (80.47 km/h) | 03h 06m |
| 60 mph (96.56 km/h) | 02h 35m |
| 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 | $20.34 | $40.68 |
| Mid-grade | $4.24 | $23.29 | $46.58 |
| Premium | $4.79 | $26.30 | $52.59 |
| Diesel | $4.30 | $23.63 | $47.26 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.