How far is Marietta, OH from Hamilton, OH?
The driving distance from Marietta, OH to Hamilton, OH is about 202.9 miles (326.5 km), with a travel time of about 03h 37m by car.
- The straight-line flight distance is about 165.8 miles (266.9 km).
- For a round trip, plan for roughly 07h 14m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 37m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Ohio, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Rain Showers then Partly Sunny
Driving Route Map
The map below follows the saved road route between Marietta and Hamilton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marietta and Hamilton.
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1
Start on Putnam Street
1470 ft · 52 sec · Putnam Street
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2
Continue on Putnam Avenue
159 m · 25 sec · Putnam Avenue
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3
Turn left onto Franklin Street
1401 ft · 41 sec · Franklin Street
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4
Turn right onto Market Street
917 ft · 37 sec · Market Street
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5
At the end of the road, turn left onto Fort Harmar Drive
26.2 mi · 33 min · Fort Harmar Drive
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6
Take the exit slight right toward US 50 West, SR 32 West: Athens, Chillicothe
21.3 mi · 26 min
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7
Keep slight left to continue on James A. Rhodes Appalachian Highway
1.2 km · 47 sec · James A. Rhodes Appalachian Highway
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8
Continue on East Bentbrook Drive
7.1 mi · 9 min · East Bentbrook Drive
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9
Continue on James A. Rhodes Appalachian Highway
27.9 mi · 32 min · James A. Rhodes Appalachian Highway
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10
Take the exit slight right
1688 ft · 29 sec
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11
Keep slight left
127 m · 11 sec
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12
Turn right
29.6 mi · 35 min
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13
Keep slight left to continue on US 35 West: Dayton
40 mi · 43 min
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14
Take the exit slight right toward SR 435: Columbus, Cincinnati
1572 ft · 42 sec
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15
Turn left onto Old United States Highway 35
1.5 km · 1 min · Old United States Highway 35
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16
Turn left onto I 71 South: Cincinnati
1683 ft · 43 sec
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17
Merge slight left
39.5 mi · 43 min
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18
Take the exit slight right toward SR 741 North: Kings Mills Road, Mason
1504 ft · 41 sec
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19
Turn right onto Kings Mills Road
2 mi · 4 min · Kings Mills Road
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20
Turn sharp left
922 ft · 16 sec
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21
Continue straight
1.5 mi · 2 min
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22
Turn right onto West Main Street
1390 ft · 29 sec · West Main Street
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23
Turn right onto Mason Road
2220 ft · 44 sec · Mason Road
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24
Enter the roundabout and take exit 3 toward Mason Road
54 m · 4 sec · Mason Road
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25
Exit the roundabout onto Mason Road
1.1 km · 1 min · Mason Road
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26
Enter the roundabout and take exit 1 toward Mason Road
25 m · 2 sec · Mason Road
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27
Exit the roundabout onto Mason Road
1.3 km · 1 min · Mason Road
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28
Continue on Liberty Way
1.3 km · 2 min · Liberty Way
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29
Turn right onto Cox Lane
1581 ft · 32 sec · Cox Lane
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30
Enter the roundabout and take exit 3 toward Veterans Boulevard
92 m · 6 sec · Veterans Boulevard
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31
Exit the roundabout onto Veterans Boulevard
1274 ft · 23 sec · Veterans Boulevard
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32
Continue on Butler County Veterans Highway
9.3 mi · 11 min · Butler County Veterans Highway
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33
Continue on High Street
1.7 mi · 3 min · High Street
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34
Continue on High Street
69 m · 15 sec · High Street
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35
Arrive at your destination
0 m · 1 sec · High Street
Car Route Details
A richer read on the saved driving route between Marietta 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.
US 35 West
Keep slight left to continue on US 35 West: Dayton
40 mi · 00h 43m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Chance Rain Showers leaving Marietta and Chance Rain Showers then Partly Sunny near Hamilton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marietta to Hamilton?
The road trip is about 202.9 miles (326.5 km) and usually takes 03h 37m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Londonderry is a useful midpoint, sitting about 106.7 miles from Marietta and 96.2 miles from Hamilton.
How much longer is the road route than the straight-line distance?
The direct path is about 165.8 miles (266.9 km), while the road route adds roughly 37.1 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 9:46 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.53 one way or $53.06 round trip. Estimated CO2 is about 63.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Marietta and Chance Rain Showers then Partly Sunny near Hamilton.
Stop Ideas Near Londonderry
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 Londonderry.
South Portsmouth–South Shore station
Columbus, OH
Ashland Transportation Center
Huntington
Flight Path Map
This map shows the direct air route between Marietta and Hamilton. Straight-line distance: 165.84 mi (266.89 km).
#1 Marietta
City in and county seat of Washington County, Ohio
| Population | 4,422 |
| Coordinates | 39.4153500, -81.4548400 |
| Altitude | 187 |
| 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: 327 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 45m |
| 40 mph (64.37 km/h) | 05h 04m |
| 50 mph (80.47 km/h) | 04h 03m |
| 60 mph (96.56 km/h) | 03h 22m |
| 70 mph (112.65 km/h) | 02h 53m |
| 80 mph (129 km/h) | 02h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $26.53 | $53.06 |
| Mid-grade | $4.24 | $30.37 | $60.75 |
| Premium | $4.79 | $34.30 | $68.59 |
| Diesel | $4.30 | $30.82 | $61.63 |
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 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.