How far is Dayton, OH from Spencerville, OH?
The driving distance from Dayton, OH to Spencerville, OH is about 74.6 miles (120 km), with a travel time of about 01h 34m by car.
- The straight-line flight distance is about 66.2 miles (106.5 km).
- For a round trip, plan for roughly 03h 09m 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 01h 34m.
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.
City in Ohio, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Dayton and Spencerville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Spencerville.
-
1
Start on South Main Street
1.3 km · 2 min · South Main Street
-
2
Take the ramp right toward I 75 North, SR 4 North: Toledo, Springfield
43 m · 3 sec
-
3
Keep slight left to continue on I 75 North: Toledo
1458 ft · 36 sec
-
4
Merge slight left
55.8 mi · 1 hr 1 min
-
5
Take the exit slight right toward US 33: Saint Marys, Bellefontaine
1536 ft · 37 sec
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6
Turn left
1 mi · 1 min
-
7
Take the exit slight right toward SR 67, SR 198, SR 501: County Road 25A, Wapakoneta
2002 ft · 50 sec
-
8
Turn right onto Willipie Street
1.3 km · 1 min · Willipie Street
-
9
Turn left onto West Pearl Street
600 ft · 16 sec · West Pearl Street
-
10
Turn right onto South Blackhoof Street
1497 ft · 34 sec · South Blackhoof Street
-
11
Turn straight onto Defiance Street
8.9 mi · 16 min · Defiance Street
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12
At the end of the road, turn left onto Ft Amanda Road
2591 ft · 54 sec · Ft Amanda Road
-
13
Turn right onto South Conant Road
1.5 mi · 3 min · South Conant Road
-
14
Turn left onto Spencerville Road
3.4 mi · 6 min · Spencerville Road
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15
Continue on East 4th Street
2483 ft · 51 sec · East 4th Street
-
16
Turn right onto North Broadway Street
16 m · 1 sec · North Broadway Street
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17
Arrive at your destination
0 m · 1 sec · North Broadway Street
Car Route Details
A richer read on the saved driving route between Dayton and Spencerville.
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 North
Merge slight left
55.8 mi · 01h 01m
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.
Sunny leaving Dayton and Mostly Sunny near Spencerville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Spencerville?
The road trip is about 74.6 miles (120 km) and usually takes 01h 34m 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?
Sidney is a useful midpoint, sitting about 37.3 miles from Dayton and 37.2 miles from Spencerville.
How much longer is the road route than the straight-line distance?
The direct path is about 66.2 miles (106.5 km), while the road route adds roughly 8.4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:20 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.74 one way or $19.49 round trip. Estimated CO2 is about 23.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dayton and Mostly Sunny near Spencerville.
Stop Ideas Near Sidney
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 Sidney.
Columbus, OH
Connersville station
Flight Path Map
This map shows the direct air route between Dayton and Spencerville. Straight-line distance: 66.19 mi (106.52 km).
#1 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
#2 Spencerville
City in Allen County, Ohio, United States of America
| Population | 2,142 |
| Coordinates | 40.7089400, -84.3535600 |
| Altitude | 253 |
| Country | United States |
End: Spencerville (-84.35356, 40.70894)
Estimated Travel Time
Distance: 120 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 29m |
| 40 mph (64.37 km/h) | 01h 51m |
| 50 mph (80.47 km/h) | 01h 29m |
| 60 mph (96.56 km/h) | 01h 14m |
| 70 mph (112.65 km/h) | 01h 03m |
| 80 mph (129 km/h) | 00h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $9.74 | $19.49 |
| Mid-grade | $4.24 | $11.16 | $22.31 |
| Premium | $4.79 | $12.60 | $25.20 |
| Diesel | $4.30 | $11.32 | $22.64 |
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.