How far is Colerain, OH from Napoleon, OH?
The driving distance from Colerain, OH to Napoleon, OH is about 237.4 miles (382 km), with a travel time of about 04h 50m by car.
- The straight-line flight distance is about 194.4 miles (312.8 km).
- For a round trip, plan for roughly 09h 40m 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 04h 50m.
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.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Colerain and Napoleon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Colerain and Napoleon.
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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
22.3 mi · 24 min
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23
Take the exit slight right toward US 6: Napoleon, Fremont
1697 ft · 41 sec
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24
Keep slight left
98 m · 8 sec
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25
Turn left
22.9 mi · 26 min
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26
Turn left onto County Road O
2.3 mi · 4 min · County Road O
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27
Keep slight right
1.8 mi · 3 min
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28
At the end of the road, turn left onto East Maumee Avenue
970 ft · 24 sec · East Maumee Avenue
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29
Turn right onto South Perry Street
2498 ft · 54 sec · South Perry Street
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30
Turn right onto East Clinton Street
26 m · 2 sec · East Clinton Street
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31
Arrive at your destination
0 m · 1 sec · East Clinton Street
Car Route Details
A richer read on the saved driving route between Colerain and Napoleon.
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.
Sunny leaving Colerain and Mostly Sunny near Napoleon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Colerain to Napoleon?
The road trip is about 237.4 miles (382 km) and usually takes 04h 50m 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 118.6 miles from Colerain and 118.9 miles from Napoleon.
How much longer is the road route than the straight-line distance?
The direct path is about 194.4 miles (312.8 km), while the road route adds roughly 43 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 7:20 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.05 one way or $62.10 round trip. Estimated CO2 is about 74.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Colerain and Mostly Sunny near Napoleon.
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 Napoleon. Straight-line distance: 194.36 mi (312.79 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 Napoleon
City in and the county seat of Henry County, Ohio, United States
| Population | 8,147 |
| Coordinates | 41.3922700, -84.1252200 |
| Altitude | 207 |
| Country | United States |
End: Napoleon (-84.12522, 41.39227)
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 56m |
| 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 | $31.05 | $62.10 |
| Mid-grade | $4.24 | $35.55 | $71.10 |
| Premium | $4.79 | $40.14 | $80.28 |
| Diesel | $4.30 | $36.07 | $72.14 |
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.