How far is Union, OH from Mentor, OH?
The driving distance from Union, OH to Mentor, OH is about 234.6 miles (377.5 km), with a travel time of about 03h 34m by car.
- The straight-line flight distance is about 197.5 miles (317.9 km).
- For a round trip, plan for roughly 07h 09m 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 34m.
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.
Human settlement in Morrow County, Ohio, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Union and Mentor.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Mentor.
-
1
Start on North Main Street
3.2 mi · 5 min · North Main Street
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2
Take the ramp left toward I 70 East: Columbus
917 ft · 22 sec
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3
Merge slight left
17.5 mi · 20 min
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4
Keep slight left
49.2 mi · 53 min
-
5
Keep slight left to continue on I 670 East: Airport
4.3 mi · 5 min
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6
Keep slight right to continue on North Innerbelt
1003 ft · 16 sec · North Innerbelt
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7
Take the exit slight right toward I 71 North: Cleveland
2166 ft · 41 sec
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8
Keep slight left to continue on I 71 North: Cleveland
1560 ft · 38 sec
-
9
Merge slight left
110.9 mi · 2 hr
-
10
Keep slight right
25.4 mi · 28 min
-
11
Keep slight left to continue on Outerbelt East Freeway
2.4 mi · 3 min · Outerbelt East Freeway
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12
Keep slight right to continue on Outerbelt East Freeway
12.6 mi · 16 min · Outerbelt East Freeway
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13
Continue on I 90
6.3 mi · 7 min · I 90
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14
Take the exit slight right toward SR 615: Center Street
1642 ft · 47 sec
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15
Turn left onto Center Street
1.4 mi · 3 min · Center Street
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16
Turn right
35 m · 8 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Union and Mentor.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 71 North
Merge slight left
111 mi · 02h 00m
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.
Slight Chance Rain Showers leaving Union and Mostly Cloudy near Mentor.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Mentor?
The road trip is about 234.6 miles (377.5 km) and usually takes 03h 34m 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?
Chesterville is a useful midpoint, sitting about 117.2 miles from Union and 117.4 miles from Mentor.
How much longer is the road route than the straight-line distance?
The direct path is about 197.5 miles (317.9 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 9:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.71 one way or $63.42 round trip. Estimated CO2 is about 73.6 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Union and Mostly Cloudy near Mentor.
Stop Ideas Near Chesterville
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 Chesterville.
Columbus, OH
Sandusky
Elyria
Flight Path Map
This map shows the direct air route between Union and Mentor. Straight-line distance: 197.51 mi (317.86 km).
#1 Union
City in Montgomery and Miami Counties in the U.
| Population | 6,909 |
| Coordinates | 39.8978300, -84.3063300 |
| Altitude | 281 |
| Country | United States |
#2 Mentor
A city in Lake County, Ohio.
| Population | 47,090 |
| Coordinates | 41.6661600, -81.3395500 |
| Altitude | 211 |
| Country | United States |
End: Center Street (-81.339958, 41.666166)
Estimated Travel Time
Distance: 377 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 48m |
| 40 mph (64.37 km/h) | 05h 51m |
| 50 mph (80.47 km/h) | 04h 41m |
| 60 mph (96.56 km/h) | 03h 54m |
| 70 mph (112.65 km/h) | 03h 21m |
| 80 mph (129 km/h) | 02h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.83 | $31.71 | $63.42 |
| Mid-grade | $4.38 | $36.29 | $72.58 |
| Premium | $4.93 | $40.80 | $81.59 |
| Diesel | $6.07 | $50.24 | $100.49 |
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 · Oct 15, 2026