How far is Alliance, OH from Dayton, OH?
The driving distance from Alliance, OH to Dayton, OH is about 216.5 miles (348.5 km), with a travel time of about 03h 29m by car.
- The straight-line flight distance is about 181.1 miles (291.4 km).
- For a round trip, plan for roughly 06h 59m 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 29m.
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.
Human settlement in Morrow County, Ohio, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Alliance and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Alliance and Dayton.
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1
Start on West Summit Street
7 m · 6 sec · West Summit Street
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2
Turn left onto South Union Avenue
3261 ft · 2 min · South Union Avenue
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3
Turn left onto West Ely Street
1.6 km · 2 min · West Ely Street
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4
Continue on Beeson Street
1.3 km · 2 min · Beeson Street
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5
Turn left
1430 ft · 35 sec
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6
Merge slight left onto Atlantic Boulevard Northeast
12.1 mi · 16 min · Atlantic Boulevard Northeast
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7
Continue on Columbus Road Northeast
2374 ft · 48 sec · Columbus Road Northeast
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8
Continue on Atlantic Boulevard Northeast
1.1 km · 1 min · Atlantic Boulevard Northeast
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9
Take the exit slight right toward 30th Street Northeast, Martindale Road Northeast
748 ft · 21 sec
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10
Continue on 30th Street Northeast
792 ft · 24 sec · 30th Street Northeast
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11
Turn left onto Market Avenue North
1.2 mi · 2 min · Market Avenue North
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12
Turn slight left onto Walnut Avenue Northeast
1.2 mi · 2 min · Walnut Avenue Northeast
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13
Continue on Walnut Avenue Southeast
531 ft · 12 sec · Walnut Avenue Southeast
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14
Turn slight left onto Cherry Avenue Southeast
2944 ft · 52 sec · Cherry Avenue Southeast
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15
Take the ramp slight right toward US 30 West: Massillon
1379 ft · 34 sec
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16
Merge slight left
35 mi · 42 min
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17
Keep slight left to continue on West Lincoln Way
22.2 mi · 28 min · West Lincoln Way
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18
Take the exit right toward I 71 South: Columbus
3100 ft · 59 sec
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19
Merge slight left
66.5 mi · 1 hr 12 min
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20
Take the exit slight right toward I 670 East, I 670 West: Airport, Dayton
1692 ft · 41 sec
-
21
Keep slight right to continue on I 670 West: Dayton
1491 ft · 36 sec
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22
Merge slight left onto Northeast Freeway
1248 ft · 19 sec · Northeast Freeway
-
23
Keep slight right
4.5 mi · 6 min
-
24
Merge slight right onto West Freeway
54.2 mi · 58 min · West Freeway
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25
Take the exit slight right toward SR 4, SR 235: Dayton, New Carlisle
1730 ft · 42 sec
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26
Keep slight left to continue on SR 4, SR 235 South: Dayton
11.1 mi · 14 min
-
27
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
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28
Turn left onto North Main Street
1.4 km · 2 min · North Main Street
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29
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Alliance 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 71 South
Merge slight left
66.5 mi · 01h 12m
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.
Mostly Sunny leaving Alliance and Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Alliance to Dayton?
The road trip is about 216.5 miles (348.5 km) and usually takes 03h 29m 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?
Marengo is a useful midpoint, sitting about 107.8 miles from Alliance and 108.7 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 181.1 miles (291.4 km), while the road route adds roughly 35.4 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 10:00 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.31 one way or $56.61 round trip. Estimated CO2 is about 67.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Alliance and Sunny near Dayton.
Stop Ideas Near Marengo
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 Marengo.
Columbus, OH
Sandusky
Flight Path Map
This map shows the direct air route between Alliance and Dayton. Straight-line distance: 181.07 mi (291.41 km).
#1 Alliance
City in Stark and Mahoning counties in the U.
| Population | 21,376 |
| Coordinates | 40.9153400, -81.1059300 |
| Altitude | 353 |
| 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: 348 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 12m |
| 40 mph (64.37 km/h) | 05h 24m |
| 50 mph (80.47 km/h) | 04h 19m |
| 60 mph (96.56 km/h) | 03h 36m |
| 70 mph (112.65 km/h) | 03h 05m |
| 80 mph (129 km/h) | 02h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $28.31 | $56.61 |
| Mid-grade | $4.24 | $32.41 | $64.82 |
| Premium | $4.79 | $36.60 | $73.19 |
| Diesel | $4.30 | $32.88 | $65.77 |
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.