How far is Dayton, OH from Marietta, OH?
The driving distance from Dayton, OH to Marietta, OH is about 196.1 miles (315.6 km), with a travel time of about 03h 41m by car.
- The straight-line flight distance is about 147.6 miles (237.6 km).
- For a round trip, plan for roughly 07h 22m 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 41m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Frost then Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Dayton and Marietta.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Marietta.
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1
Start on South Main Street
1.3 km · 2 min · South Main Street
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2
Take the ramp right toward I 75 North, SR 4 North: Toledo, Springfield
43 m · 3 sec
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3
Keep slight right to continue on SR 4 North: Springfield
1102 ft · 23 sec
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4
Merge slight left
10.4 mi · 13 min
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5
Take the exit slight right toward US 70 East, SR 4 North: Columbus
5.8 mi · 7 min
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6
Keep slight left
49.2 mi · 53 min
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7
Keep slight right to continue on West Freeway
3.2 mi · 4 min · West Freeway
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8
Continue on South Innerbelt
1.5 mi · 2 min · South Innerbelt
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9
Keep slight left to continue on South Innerbelt
2008 ft · 31 sec · South Innerbelt
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10
Continue on East Freeway
78.7 mi · 1 hr 26 min · East Freeway
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11
Take the exit slight right toward I 77 South: Marietta
2899 ft · 49 sec
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12
Merge slight left
43.2 mi · 46 min
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13
Take the exit slight right toward SR 7: Marietta
1158 ft · 33 sec
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14
Keep slight right to continue on SR 7 South: Marietta
153 m · 15 sec
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15
Merge slight left onto Pike Street
1.5 km · 2 min · Pike Street
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16
Continue on Greene Street
2304 ft · 1 min · Greene Street
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17
Turn right onto 2nd Street
1808 ft · 1 min · 2nd Street
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18
Turn left onto Putnam Street
10 m · 1 sec · Putnam Street
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19
Arrive at your destination
0 m · 1 sec · Putnam Street
Car Route Details
A richer read on the saved driving route between Dayton and Marietta.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
East Freeway
Continue on East Freeway
78.7 mi · 01h 27m
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.
Areas Of Frost then Mostly Sunny leaving Dayton and Mostly Sunny near Marietta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Marietta?
The road trip is about 196.1 miles (315.6 km) and usually takes 03h 41m 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?
Hebron is a useful midpoint, sitting about 97.9 miles from Dayton and 98.2 miles from Marietta.
How much longer is the road route than the straight-line distance?
The direct path is about 147.6 miles (237.6 km), while the road route adds roughly 48.5 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 9:38 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.64 one way or $51.28 round trip. Estimated CO2 is about 61.5 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Frost then Mostly Sunny around Dayton and Mostly Sunny near Marietta.
Stop Ideas Near Hebron
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 Hebron.
Columbus, OH
Flight Path Map
This map shows the direct air route between Dayton and Marietta. Straight-line distance: 147.64 mi (237.6 km).
#1 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
#2 Marietta
City in and county seat of Washington County, Ohio
| Population | 4,422 |
| Coordinates | 39.4153500, -81.4548400 |
| Altitude | 187 |
| Country | United States |
End: Marietta (-81.45484, 39.41535)
Estimated Travel Time
Distance: 316 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 32m |
| 40 mph (64.37 km/h) | 04h 54m |
| 50 mph (80.47 km/h) | 03h 55m |
| 60 mph (96.56 km/h) | 03h 16m |
| 70 mph (112.65 km/h) | 02h 48m |
| 80 mph (129 km/h) | 02h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $25.64 | $51.28 |
| Mid-grade | $4.24 | $29.35 | $58.71 |
| Premium | $4.79 | $33.15 | $66.29 |
| Diesel | $4.30 | $29.78 | $59.57 |
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 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.