How far is Hamilton, OH from Johnson, OH?
The driving distance from Hamilton, OH to Johnson, OH is about 78.4 miles (126.1 km), with a travel time of about 01h 43m by car.
- The straight-line flight distance is about 66.4 miles (106.9 km).
- For a round trip, plan for roughly 03h 27m 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 43m.
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 Warren County, Ohio, United States of America
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 Hamilton and Johnson.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hamilton and Johnson.
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1
Start on High Street
1.2 km · 1 min · High Street
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2
Turn left onto North Erie Boulevard
1 km · 51 sec · North Erie Boulevard
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3
Continue on Fairgrove Avenue
3235 ft · 42 sec · Fairgrove Avenue
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4
Continue on Hamilton Middletown Road
6.4 mi · 7 min · Hamilton Middletown Road
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5
Take the exit straight toward SR 63: Monroe, Lebanon
1322 ft · 36 sec
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6
Continue on Hamilton Lebanon Road East
4.5 mi · 8 min · Hamilton Lebanon Road East
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7
Turn straight
8 mi · 14 min
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8
Take the ramp slight right
937 ft · 26 sec
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9
Merge slight left onto Bypass 48
1.7 mi · 2 min · Bypass 48
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10
Turn right
7 mi · 10 min
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11
Turn right
8.9 mi · 13 min
-
12
Take the ramp left toward I 71 North: Columbus
1142 ft · 28 sec
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13
Merge slight left
19.7 mi · 21 min
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14
Take the exit slight right toward SR 435: Washington Court House
1552 ft · 41 sec
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15
Turn right onto Old United States Highway 35
2586 ft · 37 sec · Old United States Highway 35
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16
Take the exit slight right toward US 35 East: Washington Court House
2447 ft · 60 sec
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17
Merge slight left
12.3 mi · 13 min
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18
Take the exit slight right toward SR 753
1198 ft · 29 sec
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19
Turn left
2.2 mi · 3 min
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20
Turn right
3.6 mi · 5 min
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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 Hamilton and Johnson.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 71 North
Merge slight left
19.7 mi · 00h 21m
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 Hamilton and Sunny near Johnson.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hamilton to Johnson?
The road trip is about 78.4 miles (126.1 km) and usually takes 01h 43m 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?
Harveysburg is a useful midpoint, sitting about 39.1 miles from Hamilton and 39.2 miles from Johnson.
How much longer is the road route than the straight-line distance?
The direct path is about 66.4 miles (106.9 km), while the road route adds roughly 12 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 3:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.23 one way or $20.45 round trip. Estimated CO2 is about 24.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Hamilton and Sunny near Johnson.
Stop Ideas Near Harveysburg
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 Harveysburg.
Cincinnati, OH
Cincinnati Museum Center at Union Terminal
Maysville
Connersville station
Flight Path Map
This map shows the direct air route between Hamilton and Johnson. Straight-line distance: 66.44 mi (106.92 km).
#1 Hamilton
The most populous city in Butler County, Ohio.
| Population | 62,148 |
| Coordinates | 39.3995000, -84.5613400 |
| Altitude | 181 |
| Country | United States |
#2 Johnson
City in Ohio, United States
| Population | 3,436 |
| Coordinates | 39.5472800, -83.3304700 |
| Altitude | 274 |
| Country | United States |
End: Johnson (-83.33047, 39.54728)
Estimated Travel Time
Distance: 126 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 36m |
| 40 mph (64.37 km/h) | 01h 57m |
| 50 mph (80.47 km/h) | 01h 34m |
| 60 mph (96.56 km/h) | 01h 18m |
| 70 mph (112.65 km/h) | 01h 07m |
| 80 mph (129 km/h) | 00h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $10.23 | $20.45 |
| Mid-grade | $4.24 | $11.71 | $23.42 |
| Premium | $4.79 | $13.22 | $26.44 |
| Diesel | $4.30 | $11.88 | $23.76 |
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.