How far is Saint Bernard, OH from Dayton, OH?
The driving distance from Saint Bernard, OH to Dayton, OH is about 48.9 miles (78.7 km), with a travel time of about 00h 51m by car.
- The straight-line flight distance is about 44.1 miles (70.9 km).
- For a round trip, plan for roughly 01h 43m 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 00h 51m.
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.
Township of Ohio
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saint Bernard and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Bernard and Dayton.
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1
Start on Vine Street
1.2 km · 2 min · Vine Street
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2
Continue on Vine Street
2954 ft · 1 min · Vine Street
-
3
Turn right onto Township Avenue
2183 ft · 1 min · Township Avenue
-
4
Take the ramp left toward I 75 North: Dayton
1085 ft · 26 sec
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5
Merge slight left onto Mill Creek Expressway
44.5 mi · 53 min · Mill Creek Expressway
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6
Take the exit slight right toward Second Street, Salem Avenue, 1st Street
1728 ft · 43 sec
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7
Turn right onto West 1st Street
1719 ft · 42 sec · West 1st Street
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8
Turn right onto North Ludlow Street
1052 ft · 27 sec · North Ludlow Street
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9
Turn left onto West 3rd Street
157 m · 13 sec · West 3rd Street
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10
Turn right onto South Main Street
68 m · 6 sec · South Main Street
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11
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Saint Bernard 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.
Mill Creek Expressway
Merge slight left onto Mill Creek Expressway
44.5 mi · 00h 53m
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 Saint Bernard and Mostly Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Bernard to Dayton?
The road trip is about 48.9 miles (78.7 km) and usually takes 00h 51m 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?
Lemon is a useful midpoint, sitting about 23.7 miles from Saint Bernard and 25.2 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 44.1 miles (70.9 km), while the road route adds roughly 4.8 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.41 one way or $12.82 round trip. Estimated CO2 is about 15.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Bernard and Mostly Sunny near Dayton.
Stop Ideas Near Lemon
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 Lemon.
Cincinnati, OH
Cincinnati Museum Center at Union Terminal
Connersville station
Maysville
Flight Path Map
This map shows the direct air route between Saint Bernard and Dayton. Straight-line distance: 44.06 mi (70.9 km).
#1 Saint Bernard
Village in Hamilton County, Ohio, United States
| Population | 4,320 |
| Coordinates | 39.1670000, -84.4985500 |
| Altitude | 170 |
| 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: 79 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 37m |
| 40 mph (64.37 km/h) | 01h 13m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 48m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $6.41 | $12.82 |
| Mid-grade | $4.24 | $7.34 | $14.68 |
| Premium | $4.79 | $8.29 | $16.57 |
| Diesel | $4.30 | $7.45 | $14.89 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.