How far is Dayton, OH from Mason, OH?
The driving distance from Dayton, OH to Mason, OH is about 33.6 miles (54.1 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 28.3 miles (45.5 km).
- For a round trip, plan for roughly 01h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 43m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Warren County, Ohio, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Dayton and Mason.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Mason.
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1
Start on South Main Street
92 m · 12 sec · South Main Street
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2
Turn right onto West 4th Street
156 m · 18 sec · West 4th Street
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3
Turn left onto South Ludlow Street
2095 ft · 41 sec · South Ludlow Street
-
4
Take the ramp slight right toward US 35 West: Eaton
1509 ft · 37 sec
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5
Merge slight left
1326 ft · 16 sec
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6
Take the exit slight right toward I 75 South, I 75 North, SR 4 North: Cincinnati, Toledo
628 ft · 15 sec
-
7
Keep slight left to continue on I 75 South: Cincinnati
2228 ft · 50 sec
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8
Keep slight left to continue on I 75 South: Cincinnati
1244 ft · 30 sec
-
9
Merge slight left
27.4 mi · 32 min
-
10
Take the exit slight right toward SR 129 West: Hamilton, Liberty Way
2054 ft · 50 sec
-
11
Keep slight left to continue on Liberty Way
2742 ft · 1 min
-
12
Turn left onto Liberty Way
1.1 mi · 2 min · Liberty Way
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13
Continue on Mason Road
1.3 km · 1 min · Mason Road
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14
Enter the roundabout and take exit 2 toward Mason Road
35 m · 2 sec · Mason Road
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15
Exit the roundabout onto Mason Road
1.1 km · 1 min · Mason Road
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16
Enter the roundabout and take exit 1 toward Mason Road
7 m · 1 sec · Mason Road
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17
Exit the roundabout onto Mason Road
2211 ft · 48 sec · Mason Road
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18
Turn left onto West Main Street
1390 ft · 35 sec · West Main Street
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19
At the end of the road, turn left onto West Main Street
745 ft · 15 sec · West Main Street
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20
Turn right
24 m · 6 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Dayton and Mason.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 75 South
Merge slight left
27.4 mi · 00h 32m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Dayton and Chance Rain Showers near Mason.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Mason?
The road trip is about 33.6 miles (54.1 km) and usually takes 00h 43m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Franklin is a useful midpoint, sitting about 16.8 miles from Dayton and 16.8 miles from Mason.
How much longer is the road route than the straight-line distance?
The direct path is about 28.3 miles (45.5 km), while the road route adds roughly 5.3 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.41 one way or $8.82 round trip. Estimated CO2 is about 10.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dayton and Chance Rain Showers near Mason.
Stop Ideas Near Franklin
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 Franklin.
Cincinnati, OH
Cincinnati Museum Center at Union Terminal
Connersville station
Maysville
Flight Path Map
This map shows the direct air route between Dayton and Mason. Straight-line distance: 28.27 mi (45.5 km).
#1 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
#2 Mason
City in Warren County, Ohio, USA
| Population | 34,300 |
| Coordinates | 39.3600600, -84.3099400 |
| Altitude | 247 |
| Country | United States |
End: Mason (-84.30994, 39.36006)
Estimated Travel Time
Distance: 54 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 07m |
| 40 mph (64.37 km/h) | 00h 50m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 33m |
| 70 mph (112.65 km/h) | 00h 28m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $4.41 | $8.82 |
| Mid-grade | $4.24 | $5.05 | $10.10 |
| Premium | $4.79 | $5.70 | $11.40 |
| Diesel | $4.30 | $5.12 | $10.24 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.