How far is Defiance, OH from Hamilton, OH?
The driving distance from Defiance, OH to Hamilton, OH is about 157.8 miles (253.9 km), with a travel time of about 02h 44m by car.
- The straight-line flight distance is about 130.7 miles (210.3 km).
- For a round trip, plan for roughly 05h 29m 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 44m.
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.
Village in Darke County, Ohio
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Defiance and Hamilton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Defiance and Hamilton.
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1
Start on Auglaize Street
8 m · 3 sec · Auglaize Street
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2
Turn right onto East 2nd Street
1934 ft · 41 sec · East 2nd Street
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3
Turn right onto Clinton Street
1 km · 1 min · Clinton Street
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4
Turn left onto West Sessions Street
1717 ft · 36 sec · West Sessions Street
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5
Continue on Ralston Avenue
1.2 km · 2 min · Ralston Avenue
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6
Take the ramp left
1147 ft · 28 sec
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7
Merge slight left
6.1 mi · 7 min
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8
Turn left onto County Highway C-143
3.9 mi · 5 min · County Highway C-143
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9
Continue straight
18.1 mi · 25 min
-
10
Turn right
5.8 mi · 8 min
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11
Enter the roundabout and take exit 2 toward the route
34 m · 2 sec
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12
Exit the roundabout
16.4 mi · 25 min
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13
Continue straight
82.5 mi · 1 hr 48 min
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14
Enter the roundabout and take exit 2 toward Hamilton Eaton Road
27 m · 1 sec · Hamilton Eaton Road
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15
Exit the roundabout onto Hamilton Eaton Road
6.7 mi · 9 min · Hamilton Eaton Road
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16
Continue on North Riverside Drive
1.2 mi · 1 min · North Riverside Drive
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17
Continue on North 3rd Street
1.7 mi · 2 min · North 3rd Street
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18
Turn slight left onto North Martin Luther King Junior Boulevard
2614 ft · 1 min · North Martin Luther King Junior Boulevard
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19
Turn right onto High Street
953 ft · 41 sec · High Street
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20
Continue on High Street
69 m · 15 sec · High Street
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21
Arrive at your destination
0 m · 1 sec · High Street
Car Route Details
A richer read on the saved driving route between Defiance and Hamilton.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
County Highway C-143
Continue straight
82.5 mi · 01h 48m
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.
Partly Sunny leaving Defiance and Mostly Sunny near Hamilton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Defiance to Hamilton?
The road trip is about 157.8 miles (253.9 km) and usually takes 02h 44m 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?
North Star is a useful midpoint, sitting about 72.9 miles from Defiance and 84.9 miles from Hamilton.
How much longer is the road route than the straight-line distance?
The direct path is about 130.7 miles (210.3 km), while the road route adds roughly 27.1 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 1:00 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.64 one way or $41.27 round trip. Estimated CO2 is about 49.5 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Defiance and Mostly Sunny near Hamilton.
Stop Ideas Near North Star
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
The Inn at Versailles
Saint Marys City Hall
Beamsville Church
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to North Star.
Connersville station
Flight Path Map
This map shows the direct air route between Defiance and Hamilton. Straight-line distance: 130.69 mi (210.32 km).
#1 Defiance
City in and the county seat of Defiance County, Ohio, United States
| Population | 16,482 |
| Coordinates | 41.2844900, -84.3557800 |
| Altitude | 206 |
| Country | United States |
#2 Hamilton
The most populous city in Butler County, Ohio.
| Population | 62,148 |
| Coordinates | 39.3995000, -84.5613400 |
| Altitude | 181 |
| Country | United States |
End: High Street (-84.56131, 39.399555)
Estimated Travel Time
Distance: 254 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 15m |
| 40 mph (64.37 km/h) | 03h 56m |
| 50 mph (80.47 km/h) | 03h 09m |
| 60 mph (96.56 km/h) | 02h 37m |
| 70 mph (112.65 km/h) | 02h 15m |
| 80 mph (129 km/h) | 01h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $20.64 | $41.27 |
| Mid-grade | $4.24 | $23.63 | $47.26 |
| Premium | $4.79 | $26.68 | $53.36 |
| Diesel | $4.30 | $23.97 | $47.95 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.