How far is Dayton, OH from Vermilion, OH?
The driving distance from Dayton, OH to Vermilion, OH is about 174 miles (280 km), with a travel time of about 03h 53m by car.
- The straight-line flight distance is about 149.6 miles (240.8 km).
- For a round trip, plan for roughly 07h 46m 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 53m.
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.
County seat of Marion County, Ohio, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Dayton and Vermilion.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Vermilion.
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1
Start on South Main Street
1.3 km · 2 min · South Main Street
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2
Take the ramp right toward I 75 North, SR 4 North: Toledo, Springfield
43 m · 3 sec
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3
Keep slight right to continue on SR 4 North: Springfield
1102 ft · 23 sec
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4
Merge slight left
10.4 mi · 13 min
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5
Take the exit slight right toward US 70 East, SR 4 North: Columbus
5.8 mi · 7 min
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6
Keep slight right
6.3 mi · 7 min
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7
Take the exit straight toward US 68 North: Urbana
1320 ft · 32 sec
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8
Merge slight left
4.7 mi · 5 min
-
9
Take the exit slight right toward SR 334 East: River Road, Springfield
1297 ft · 32 sec
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10
Keep slight right to continue on SR 334 East
610 ft · 15 sec
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11
Merge slight left onto State Route 334
3.4 mi · 4 min · State Route 334
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12
At the end of the road, turn left onto Mechanicsburg Road
5.2 mi · 6 min · Mechanicsburg Road
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13
Continue on State Route 4
6.9 mi · 8 min · State Route 4
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14
Continue on West Sandusky Street
5.9 mi · 8 min · West Sandusky Street
-
15
Turn slight left
9.6 mi · 11 min
-
16
Keep slight right
2.5 mi · 3 min
-
17
Take the exit slight right toward SR 4 North: Marion
1215 ft · 30 sec
-
18
Keep slight right to continue on SR 4 North: Marion
26 mi · 38 min
-
19
Turn right onto West Walnut Street
1026 ft · 26 sec · West Walnut Street
-
20
Turn left onto Delaware Avenue
94 m · 5 sec · Delaware Avenue
-
21
Turn straight onto South State Street
1.3 mi · 3 min · South State Street
-
22
Turn left onto Patten Street
130 m · 11 sec · Patten Street
-
23
Turn right onto North Main Street
1.4 mi · 2 min · North Main Street
-
24
Keep slight right to continue on North Main Street
85 m · 5 sec · North Main Street
-
25
Turn straight onto Marion-Bucyrus Road
15.1 mi · 22 min · Marion-Bucyrus Road
-
26
Turn slight left onto South Sandusky Avenue
1 km · 2 min · South Sandusky Avenue
-
27
Continue on North Sandusky Avenue
2.2 mi · 5 min · North Sandusky Avenue
-
28
Continue on State Route 4
4 mi · 5 min · State Route 4
-
29
Continue on STATE ROUTE 4
3.5 mi · 5 min · STATE ROUTE 4
-
30
Continue on Sandusky Avenue
8.2 mi · 12 min · Sandusky Avenue
-
31
Continue on South Main Street
21.4 mi · 30 min · South Main Street
-
32
Enter the roundabout and take exit 2 toward Hayes Avenue
26 m · 1 sec · Hayes Avenue
-
33
Exit the roundabout onto Hayes Avenue
3.7 mi · 5 min · Hayes Avenue
-
34
Take the ramp right
1514 ft · 37 sec
-
35
Merge slight left
7.6 mi · 8 min
-
36
Keep slight left
13.3 mi · 14 min
-
37
Take the exit slight right toward SR 60: Vermilion, Wakeman
1663 ft · 41 sec
-
38
Turn left onto State Road
1.3 km · 2 min · State Road
-
39
Continue on State Street
1.3 km · 1 min · State Street
-
40
At the end of the road, turn right onto South Street
104 m · 12 sec · South Street
-
41
Turn left onto Main Street
1053 ft · 21 sec · Main Street
-
42
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Dayton and Vermilion.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
SR 4 North
Keep slight right to continue on SR 4 North: Marion
26 mi · 00h 38m
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 Dayton and Sunny near Vermilion.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Vermilion?
The road trip is about 174 miles (280 km) and usually takes 03h 53m 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?
Marion is a useful midpoint, sitting about 87 miles from Dayton and 87 miles from Vermilion.
How much longer is the road route than the straight-line distance?
The direct path is about 149.6 miles (240.8 km), while the road route adds roughly 24.4 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 9:14 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.75 one way or $45.50 round trip. Estimated CO2 is about 54.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dayton and Sunny near Vermilion.
Stop Ideas Near Marion
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 Marion.
Columbus, OH
Sandusky
Flight Path Map
This map shows the direct air route between Dayton and Vermilion. Straight-line distance: 149.63 mi (240.81 km).
#1 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
#2 Vermilion
City in Ohio, United States
| Population | 4,745 |
| Coordinates | 41.4219900, -82.3646100 |
| Altitude | 181 |
| Country | United States |
End: Vermilion (-82.36461, 41.42199)
Estimated Travel Time
Distance: 280 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 47m |
| 40 mph (64.37 km/h) | 04h 20m |
| 50 mph (80.47 km/h) | 03h 28m |
| 60 mph (96.56 km/h) | 02h 53m |
| 70 mph (112.65 km/h) | 02h 29m |
| 80 mph (129 km/h) | 02h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $22.75 | $45.50 |
| Mid-grade | $4.24 | $26.05 | $52.09 |
| Premium | $4.79 | $29.41 | $58.82 |
| Diesel | $4.30 | $26.43 | $52.85 |
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.