How far is Mason, OH from Dayton, OH?
The driving distance from Mason, OH to Dayton, OH is about 34.1 miles (54.8 km), with a travel time of about 00h 37m by car.
- The straight-line flight distance is about 28.3 miles (45.5 km).
- For a round trip, plan for roughly 01h 15m 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 37m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 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 Mason and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mason and Dayton.
-
1
Start on the route
24 m · 11 sec
-
2
Turn left onto West Main Street
745 ft · 17 sec · West Main Street
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3
Turn right onto West Main Street
1390 ft · 29 sec · West Main Street
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4
Turn right onto Mason Road
2220 ft · 44 sec · Mason Road
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5
Enter the roundabout and take exit 3 toward Mason Road
54 m · 4 sec · Mason Road
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6
Exit the roundabout onto Mason Road
1.1 km · 1 min · Mason Road
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7
Enter the roundabout and take exit 1 toward Mason Road
25 m · 2 sec · Mason Road
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8
Exit the roundabout onto Mason Road
1.3 km · 1 min · Mason Road
-
9
Continue on Liberty Way
1.6 km · 2 min · Liberty Way
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10
Take the ramp slight right
91 m · 7 sec
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11
Keep slight right to continue on I 75 North: Dayton
1.1 km · 1 min
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12
Merge slight left
28.9 mi · 33 min
-
13
Take the exit slight right toward Second Street, Salem Avenue, 1st Street
1728 ft · 43 sec
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14
Turn right onto West 1st Street
1719 ft · 42 sec · West 1st Street
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15
Turn right onto North Ludlow Street
1052 ft · 27 sec · North Ludlow Street
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16
Turn left onto West 3rd Street
157 m · 13 sec · West 3rd Street
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17
Turn right onto South Main Street
68 m · 6 sec · South 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 Mason and Dayton.
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 North
Merge slight left
28.9 mi · 00h 33m
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.
Chance Rain Showers leaving Mason and Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mason to Dayton?
The road trip is about 34.1 miles (54.8 km) and usually takes 00h 37m 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 17 miles from Mason and 17.1 miles from Dayton.
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 5.8 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 7:14 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.45 one way or $8.89 round trip. Estimated CO2 is about 10.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Mason and Sunny near Dayton.
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 Mason and Dayton. Straight-line distance: 28.27 mi (45.5 km).
#1 Mason
City in Warren County, Ohio, USA
| Population | 34,300 |
| Coordinates | 39.3600600, -84.3099400 |
| Altitude | 247 |
| 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: 55 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 08m |
| 40 mph (64.37 km/h) | 00h 51m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 34m |
| 70 mph (112.65 km/h) | 00h 29m |
| 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 | $4.45 | $8.89 |
| Mid-grade | $4.24 | $5.09 | $10.18 |
| Premium | $4.79 | $5.75 | $11.50 |
| Diesel | $4.30 | $5.16 | $10.33 |
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.