How far is Saint Marys, OH from Kettering, OH?
The driving distance from Saint Marys, OH to Kettering, OH is about 77 miles (123.9 km), with a travel time of about 01h 16m by car.
- The straight-line flight distance is about 60.1 miles (96.7 km).
- For a round trip, plan for roughly 02h 32m 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 16m.
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.
Human settlement in Ohio, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Saint Marys and Kettering.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and Kettering.
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1
Start on South Front Street
32 m · 9 sec · South Front Street
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2
Turn right onto West Spring Street
1705 ft · 47 sec · West Spring Street
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3
Turn left onto North Spruce Street
1.1 km · 1 min · North Spruce Street
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4
Take the ramp slight right
1953 ft · 48 sec
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5
Merge slight left
10.8 mi · 12 min
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6
Take the exit slight right toward I 75 South: Dayton
2159 ft · 53 sec
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7
Merge slight left
55.8 mi · 1 hr 1 min
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8
Merge slight left
51 m · 2 sec
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9
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
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10
Turn left onto North Main Street
2571 ft · 59 sec · North Main Street
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11
Turn right onto West Monument Avenue
567 ft · 18 sec · West Monument Avenue
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12
Turn left onto North Ludlow Street
1.1 mi · 2 min · North Ludlow Street
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13
Turn left onto Stout Street
149 m · 14 sec · Stout Street
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14
At the end of the road, turn right onto South Main Street
1.6 km · 2 min · South Main Street
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15
Continue on Far Hills Avenue
3.4 mi · 6 min · Far Hills Avenue
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16
Turn right onto West Stroop Road
16 m · 1 sec · West Stroop Road
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17
Arrive at your destination
0 m · 1 sec · West Stroop Road
Car Route Details
A richer read on the saved driving route between Saint Marys and Kettering.
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
55.8 mi · 01h 01m
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.
Chance Showers And Thunderstorms then Showers And Thunderstorms leaving Saint Marys and Showers And Thunderstorms Likely near Kettering.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to Kettering?
The road trip is about 77 miles (123.9 km) and usually takes 01h 16m 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?
Kirkwood is a useful midpoint, sitting about 37.5 miles from Saint Marys and 39.6 miles from Kettering.
How much longer is the road route than the straight-line distance?
The direct path is about 60.1 miles (96.7 km), while the road route adds roughly 16.9 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 3:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.08 one way or $20.16 round trip. Estimated CO2 is about 24.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms around Saint Marys and Showers And Thunderstorms Likely near Kettering.
Stop Ideas Near Kirkwood
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
The Inn at Versailles
Troy Director of Public Services
Versailles Christian Church
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Kirkwood.
Connersville station
Columbus, OH
Flight Path Map
This map shows the direct air route between Saint Marys and Kettering. Straight-line distance: 60.06 mi (96.66 km).
#1 Saint Marys
City in Ohio, United States
| Population | 8,113 |
| Coordinates | 40.5422700, -84.3894000 |
| Altitude | 264 |
| Country | United States |
#2 Kettering
The most populous city in Montgomery County, Ohio.
| Population | 54,313 |
| Coordinates | 39.6895000, -84.1688300 |
| Altitude | 307 |
| Country | United States |
End: West Stroop Road (-84.168827, 39.689586)
Estimated Travel Time
Distance: 124 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 33m |
| 40 mph (64.37 km/h) | 01h 55m |
| 50 mph (80.47 km/h) | 01h 32m |
| 60 mph (96.56 km/h) | 01h 17m |
| 70 mph (112.65 km/h) | 01h 06m |
| 80 mph (129 km/h) | 00h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $10.08 | $20.16 |
| Mid-grade | $4.24 | $11.54 | $23.08 |
| Premium | $4.79 | $13.03 | $26.06 |
| Diesel | $4.30 | $11.71 | $23.41 |
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.