How far is Delphos, OH from Dayton, OH?
The driving distance from Delphos, OH to Dayton, OH is about 85.5 miles (137.6 km), with a travel time of about 01h 29m by car.
- The straight-line flight distance is about 75.4 miles (121.3 km).
- For a round trip, plan for roughly 02h 58m 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 29m.
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.
Village in Ohio, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Frost then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Delphos and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Delphos and Dayton.
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1
Start on the route
37 m · 11 sec
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2
Turn right onto West 2nd Street
2490 ft · 1 min · West 2nd Street
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3
Continue on Elida Avenue
2761 ft · 1 min · Elida Avenue
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4
Turn right onto Elida Road
6.7 mi · 10 min · Elida Road
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5
Continue on SR 309
1.2 mi · 2 min · SR 309
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6
Continue on East Main Street
1150 ft · 22 sec · East Main Street
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7
Continue on Elida Road
3.8 mi · 6 min · Elida Road
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8
Continue on North Jameson Avenue
1.2 mi · 2 min · North Jameson Avenue
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9
Turn left onto West Elm Street
3091 ft · 54 sec · West Elm Street
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10
Turn right onto South Metcalf Street
1.5 mi · 3 min · South Metcalf Street
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11
Continue on South Dixie Highway
2.1 mi · 4 min · South Dixie Highway
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12
Turn left onto West Breese Road
1135 ft · 36 sec · West Breese Road
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13
Take the ramp right toward I 75 South: Dayton
1279 ft · 31 sec
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14
Merge slight left
65.5 mi · 1 hr 12 min
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15
Merge slight left
51 m · 2 sec
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16
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
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17
Turn left onto North Main Street
1.4 km · 2 min · North Main Street
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18
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Delphos 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
65.5 mi · 01h 12m
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.
Areas Of Frost leaving Delphos and Areas Of Frost then Mostly Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Delphos to Dayton?
The road trip is about 85.5 miles (137.6 km) and usually takes 01h 29m 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?
Anna is a useful midpoint, sitting about 42.8 miles from Delphos and 42.8 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 75.4 miles (121.3 km), while the road route adds roughly 10.1 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 3:32 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.19 one way or $22.38 round trip. Estimated CO2 is about 26.8 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Frost around Delphos and Areas Of Frost then Mostly Sunny near Dayton.
Stop Ideas Near Anna
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 Anna.
Columbus, OH
Connersville station
Flight Path Map
This map shows the direct air route between Delphos and Dayton. Straight-line distance: 75.34 mi (121.25 km).
#1 Delphos
City in Ohio
| Population | 6,895 |
| Coordinates | 40.8433800, -84.3416200 |
| Altitude | 236 |
| 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: 138 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 50m |
| 40 mph (64.37 km/h) | 02h 08m |
| 50 mph (80.47 km/h) | 01h 42m |
| 60 mph (96.56 km/h) | 01h 25m |
| 70 mph (112.65 km/h) | 01h 13m |
| 80 mph (129 km/h) | 01h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $11.19 | $22.38 |
| Mid-grade | $4.24 | $12.81 | $25.62 |
| Premium | $4.79 | $14.47 | $28.93 |
| Diesel | $4.30 | $13.00 | $26.00 |
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 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.