How far is Hamilton, OH from Coldwater, OH?
The driving distance from Hamilton, OH to Coldwater, OH is about 82 miles (132 km), with a travel time of about 01h 49m by car.
- The straight-line flight distance is about 74.8 miles (120.3 km).
- For a round trip, plan for roughly 03h 38m 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 49m.
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 Ohio, United States
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 Hamilton and Coldwater.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hamilton and Coldwater.
-
1
Start on High Street
763 ft · 36 sec · High Street
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2
Turn left onto North Martin Luther King Junior Boulevard
2614 ft · 1 min · North Martin Luther King Junior Boulevard
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3
Continue on North 3rd Street
1.7 mi · 2 min · North 3rd Street
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4
Continue on South Riverside Drive
1.2 mi · 2 min · South Riverside Drive
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5
Continue on Hamilton Eaton Road
6.7 mi · 9 min · Hamilton Eaton Road
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6
Enter the roundabout and take exit 2 toward the route
48 m · 2 sec
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7
Exit the roundabout
66.3 mi · 1 hr 28 min
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8
Turn left onto Carthagena Road
1312 ft · 23 sec · Carthagena Road
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9
Turn right onto Philothea Road
3.1 mi · 4 min · Philothea Road
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10
Turn right
2 mi · 3 min
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11
Turn right onto East Main Street
37 m · 2 sec · East Main Street
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12
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Hamilton and Coldwater.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Hamilton Eaton Road
Exit the roundabout
66.3 mi · 01h 28m
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 Mostly Sunny near Coldwater.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hamilton to Coldwater?
The road trip is about 82 miles (132 km) and usually takes 01h 49m 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?
Castine is a useful midpoint, sitting about 41 miles from Hamilton and 40.9 miles from Coldwater.
How much longer is the road route than the straight-line distance?
The direct path is about 74.8 miles (120.3 km), while the road route adds roughly 7.2 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 2:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.71 one way or $21.41 round trip. Estimated CO2 is about 25.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Hamilton and Mostly Sunny near Coldwater.
Stop Ideas Near Castine
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Darke County Visitors Bureau
Advance America
City Of Brookville
Arcanum Community of Faith Church
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Castine.
Connersville station
Cincinnati, OH
Cincinnati Museum Center at Union Terminal
Flight Path Map
This map shows the direct air route between Hamilton and Coldwater. Straight-line distance: 74.73 mi (120.26 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 Coldwater
Town
| Population | 4,562 |
| Coordinates | 40.4797700, -84.6282900 |
| Altitude | 278 |
| Country | United States |
End: Coldwater (-84.62829, 40.47977)
Estimated Travel Time
Distance: 132 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 43m |
| 40 mph (64.37 km/h) | 02h 03m |
| 50 mph (80.47 km/h) | 01h 38m |
| 60 mph (96.56 km/h) | 01h 22m |
| 70 mph (112.65 km/h) | 01h 10m |
| 80 mph (129 km/h) | 01h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $10.71 | $21.41 |
| Mid-grade | $4.24 | $12.26 | $24.52 |
| Premium | $4.79 | $13.84 | $27.69 |
| Diesel | $4.30 | $12.44 | $24.88 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.