How far is Colerain, OH from Defiance, OH?
The driving distance from Colerain, OH to Defiance, OH is about 237.1 miles (381.6 km), with a travel time of about 05h 06m by car.
- The straight-line flight distance is about 202.3 miles (325.5 km).
- For a round trip, plan for roughly 10h 12m 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 05h 06m.
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, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Partly Sunny
Driving Route Map
The map below follows the saved road route between Colerain and Defiance.
Turn-by-Turn Driving Directions
Step-by-step road directions between Colerain and Defiance.
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1
Start on Colerain Road
1.7 mi · 2 min · Colerain Road
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2
Continue on Pleasant Grove Road
4.9 mi · 7 min · Pleasant Grove Road
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3
Continue on Cadiz-Harrisville Road
8.3 mi · 12 min · Cadiz-Harrisville Road
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4
Continue on East Market Street
2.2 mi · 3 min · East Market Street
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5
Turn slight left onto Deersville Avenue
1.3 km · 2 min · Deersville Avenue
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6
Turn right onto Cadiz-Dennison Road
21.4 mi · 30 min · Cadiz-Dennison Road
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7
Continue straight
1.1 mi · 1 min
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8
Take the exit slight right toward US 250 West, SR 800 North: Uhrichsville, New Philadelphia
1516 ft · 41 sec
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9
Turn right onto Water Street
15.9 mi · 17 min · Water Street
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10
Take the exit slight right toward US 250: Strasburg, Massillon
1543 ft · 42 sec
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11
Turn left onto South Wooster Avenue
3.2 mi · 4 min · South Wooster Avenue
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12
Turn left
22.1 mi · 25 min
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13
Keep slight left to continue on Dover Road
1.1 mi · 2 min · Dover Road
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14
Continue on Madison Avenue
1.6 km · 2 min · Madison Avenue
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15
Take the ramp slight right toward US 30 West, US 250 West, SR 3 South
2116 ft · 52 sec
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16
Merge slight left onto West Lincoln Way
3.3 mi · 4 min · West Lincoln Way
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17
Keep slight left to continue on West Lincoln Way
30 mi · 37 min · West Lincoln Way
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18
Keep slight left to continue on Martin Luther King Jr. Freeway
37.8 mi · 41 min · Martin Luther King Jr. Freeway
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19
Keep slight right
6.3 mi · 8 min
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20
Keep slight right
7.4 mi · 9 min
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21
Continue straight
17.6 mi · 21 min
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22
Merge slight left
1.7 mi · 2 min
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23
Take the exit slight right toward US 224, SR 15 West: Findlay, Ottawa
1620 ft · 49 sec
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24
Turn sharp left onto West Trenton Avenue
20.9 mi · 32 min · West Trenton Avenue
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25
Turn right onto North Elm Street
1474 ft · 25 sec · North Elm Street
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26
Continue on North Perry Street
1033 ft · 21 sec · North Perry Street
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27
Turn left onto North Defiance Street
25.5 mi · 38 min · North Defiance Street
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28
Enter the roundabout and take exit 2 toward Ottawa Avenue;Cleveland Avenue
33 m · 2 sec · Ottawa Avenue
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29
Exit the rotary onto Ottawa Avenue
1.5 km · 1 min · Ottawa Avenue
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30
Continue on Douglas Street
584 ft · 12 sec · Douglas Street
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31
Turn left onto East 2nd Street
1386 ft · 26 sec · East 2nd Street
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32
Turn right onto Auglaize Street
8 m · 1 sec · Auglaize Street
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33
Arrive at your destination
0 m · 1 sec · Auglaize Street
Car Route Details
A richer read on the saved driving route between Colerain and Defiance.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Martin Luther King Jr. Freeway
Keep slight left to continue on Martin Luther King Jr. Freeway
37.8 mi · 00h 41m
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 Colerain and Partly Sunny near Defiance.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Colerain to Defiance?
The road trip is about 237.1 miles (381.6 km) and usually takes 05h 06m 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?
Ontario is a useful midpoint, sitting about 118.4 miles from Colerain and 118.7 miles from Defiance.
How much longer is the road route than the straight-line distance?
The direct path is about 202.3 miles (325.5 km), while the road route adds roughly 34.8 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 6:48 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.01 one way or $62.02 round trip. Estimated CO2 is about 74.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Colerain and Partly Sunny near Defiance.
Stop Ideas Near Ontario
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 Ontario.
Sandusky
Elyria
Columbus, OH
Cleveland Lakefront station
Flight Path Map
This map shows the direct air route between Colerain and Defiance. Straight-line distance: 202.28 mi (325.54 km).
#1 Colerain
The most populous city in Hamilton County, Ohio.
| Population | 59,145 |
| Coordinates | 40.1259000, -80.8087000 |
| Altitude | 384 |
| Country | United States |
#2 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 |
End: Defiance (-84.35578, 41.28449)
Estimated Travel Time
Distance: 382 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 54m |
| 40 mph (64.37 km/h) | 05h 55m |
| 50 mph (80.47 km/h) | 04h 44m |
| 60 mph (96.56 km/h) | 03h 57m |
| 70 mph (112.65 km/h) | 03h 23m |
| 80 mph (129 km/h) | 02h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $31.01 | $62.02 |
| Mid-grade | $4.24 | $35.51 | $71.01 |
| Premium | $4.79 | $40.09 | $80.18 |
| Diesel | $4.30 | $36.02 | $72.05 |
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.