How far is Cincinnati, OH from Saint Henry, OH?
The driving distance from Cincinnati, OH to Saint Henry, OH is about 110.5 miles (177.8 km), with a travel time of about 02h 21m by car.
- The straight-line flight distance is about 89.4 miles (143.9 km).
- For a round trip, plan for roughly 04h 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 02h 21m.
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.
Unincorporated community in Montgomery County, Ohio
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Cincinnati and Saint Henry.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cincinnati and Saint Henry.
-
1
Start on Ohio Avenue
30 m · 6 sec · Ohio Avenue
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2
Turn right onto West McMillan Avenue
876 ft · 27 sec · West McMillan Avenue
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3
Turn left onto Vine Street
86 m · 10 sec · Vine Street
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4
Continue on Jefferson Avenue
2889 ft · 1 min · Jefferson Avenue
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5
Continue on Vine Street
2 mi · 5 min · Vine Street
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6
Turn left onto West Mitchell Avenue
1490 ft · 40 sec · West Mitchell Avenue
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7
Take the ramp right toward I 75 North: Dayton
1927 ft · 49 sec
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8
Merge slight left onto Mill Creek Expressway
46.5 mi · 55 min · Mill Creek Expressway
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9
Take the exit slight right toward Second Street, Salem Avenue, 1st Street
1468 ft · 45 sec
-
10
Turn left onto West 2nd Street
668 ft · 13 sec · West 2nd Street
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11
Continue on West 1st Street
116 m · 7 sec · West 1st Street
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12
Continue on Salem Avenue
11.4 mi · 17 min · Salem Avenue
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13
Take the exit slight right toward SR 49 North: Phillipsburg, Greenville
1806 ft · 44 sec
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14
Keep slight right to continue on SR 49 North: Phillipsburg, Greenville
19.9 mi · 23 min
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15
Take the exit right
1374 ft · 38 sec
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16
Merge slight left
22.9 mi · 29 min
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17
Turn left onto Fort Recovery-Minster Road
3 mi · 4 min · Fort Recovery-Minster Road
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18
Turn right
1.8 mi · 3 min
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19
Turn left onto East Main Street
2966 ft · 59 sec · East Main Street
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20
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Cincinnati and Saint Henry.
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
46.5 mi · 00h 55m
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 Cincinnati and Sunny near Saint Henry.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cincinnati to Saint Henry?
The road trip is about 110.5 miles (177.8 km) and usually takes 02h 21m 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?
Fort McKinley is a useful midpoint, sitting about 55.2 miles from Cincinnati and 55.2 miles from Saint Henry.
How much longer is the road route than the straight-line distance?
The direct path is about 89.4 miles (143.9 km), while the road route adds roughly 21.1 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 1:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.45 one way or $28.90 round trip. Estimated CO2 is about 34.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Cincinnati and Sunny near Saint Henry.
Stop Ideas Near Fort McKinley
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Scene75 Entertainment Center | Dayton
City of Riverside Administration Offices
Town Hall Theatre
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Fort McKinley.
Connersville station
Cincinnati, OH
Cincinnati Museum Center at Union Terminal
Columbus, OH
Flight Path Map
This map shows the direct air route between Cincinnati and Saint Henry. Straight-line distance: 89.41 mi (143.89 km).
#1 Cincinnati
The third most populous city in Ohio and the center of the Cincinnati metropolitan area.
| Population | 304,548 |
| Coordinates | 39.1271100, -84.5143900 |
| Altitude | 191 |
| Country | United States |
#2 Saint Henry
Human settlement in Mercer County, Ohio, United States of America
| Population | 2,574 |
| Coordinates | 40.4175500, -84.6396800 |
| Altitude | 296 |
| Country | United States |
End: Saint Henry (-84.63968, 40.41755)
Estimated Travel Time
Distance: 178 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 40m |
| 40 mph (64.37 km/h) | 02h 45m |
| 50 mph (80.47 km/h) | 02h 12m |
| 60 mph (96.56 km/h) | 01h 50m |
| 70 mph (112.65 km/h) | 01h 34m |
| 80 mph (129 km/h) | 01h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $14.45 | $28.90 |
| Mid-grade | $4.24 | $16.54 | $33.09 |
| Premium | $4.79 | $18.68 | $37.36 |
| Diesel | $4.30 | $16.79 | $33.57 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.