How far is Vermilion, OH from Dayton, OH?
The driving distance from Vermilion, OH to Dayton, OH is about 185.1 miles (297.9 km), with a travel time of about 03h 17m by car.
- The straight-line flight distance is about 149.6 miles (240.8 km).
- For a round trip, plan for roughly 06h 34m 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 17m.
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 Vermilion and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Vermilion and Dayton.
-
1
Start on Main Street
1053 ft · 23 sec · Main Street
-
2
At the end of the road, turn right onto South Street
104 m · 12 sec · South Street
-
3
Turn left onto State Street
1.3 km · 1 min · State Street
-
4
Continue on State Road
3252 ft · 1 min · State Road
-
5
Take the ramp right toward SR 2 West: Toledo
1376 ft · 34 sec
-
6
Merge slight left
20.9 mi · 22 min
-
7
Take the exit slight right toward SR 4: Bucyrus, Sandusky
1440 ft · 43 sec
-
8
Turn left onto Hayes Avenue
3.9 mi · 5 min · Hayes Avenue
-
9
Enter the roundabout and take exit 2 toward Hayes Avenue
31 m · 2 sec · Hayes Avenue
-
10
Exit the roundabout onto Hayes Avenue
21.5 mi · 30 min · Hayes Avenue
-
11
Continue on Columbus-Sandusky Road
8.2 mi · 12 min · Columbus-Sandusky Road
-
12
Continue on STATE ROUTE 4
3.5 mi · 5 min · STATE ROUTE 4
-
13
Continue on State Route 4
4 mi · 5 min · State Route 4
-
14
Continue on North Sandusky Avenue
2.2 mi · 4 min · North Sandusky Avenue
-
15
Continue on South Sandusky Avenue
1 km · 2 min · South Sandusky Avenue
-
16
Turn slight right onto Marion Road
15.1 mi · 22 min · Marion Road
-
17
Turn right
24 m · 6 sec
-
18
Continue on North Main Street
1.5 mi · 2 min · North Main Street
-
19
Turn right onto Klerx Avenue
128 m · 13 sec · Klerx Avenue
-
20
Turn left onto North Prospect Street
2.5 mi · 4 min · North Prospect Street
-
21
Continue on Marion-Marysville Road
24.5 mi · 36 min · Marion-Marysville Road
-
22
Take the ramp right
1463 ft · 36 sec
-
23
Keep slight left to continue on US 33 West, US 36 West, SR 4 South
1.5 mi · 2 min
-
24
Take the exit slight right toward US 36 West, SR 4 South: Urbana, Springfield
564 ft · 14 sec
-
25
Keep slight left to continue on US 36 West, SR 4 South: Urbana, Springfield
28.5 mi · 34 min
-
26
Turn right onto State Route 334
3.7 mi · 4 min · State Route 334
-
27
Turn left
2639 ft · 1 min
-
28
Merge slight left onto US Route 68
4.3 mi · 5 min · US Route 68
-
29
Take the exit slight right toward US 40 West, SR 4 West: Dayton
1024 ft · 30 sec
-
30
Turn left onto Upper Valley Pike
154 m · 11 sec · Upper Valley Pike
-
31
Turn right onto West Main Street
810 ft · 11 sec · West Main Street
-
32
Continue on West National Road
928 ft · 12 sec · West National Road
-
33
Keep slight left
11 mi · 12 min
-
34
Take the exit slight right toward SR 4, SR 235: Dayton, New Carlisle
1730 ft · 42 sec
-
35
Keep slight left to continue on SR 4, SR 235 South: Dayton
11.1 mi · 14 min
-
36
Take the exit slight right toward SR 48: Main Street, Grand Avenue
1108 ft · 29 sec
-
37
Turn left onto North Main Street
1.4 km · 2 min · North Main Street
-
38
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Vermilion and Dayton.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
US 36 West
Keep slight left to continue on US 36 West, SR 4 South: Urbana, Springfield
28.5 mi · 00h 34m
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 Vermilion and Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Vermilion to Dayton?
The road trip is about 185.1 miles (297.9 km) and usually takes 03h 17m 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 86.8 miles from Vermilion and 98.3 miles from Dayton.
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 35.5 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 10:26 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.19 one way or $48.39 round trip. Estimated CO2 is about 58 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Vermilion and Sunny near Dayton.
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 Vermilion and Dayton. Straight-line distance: 149.63 mi (240.81 km).
#1 Vermilion
City in Ohio, United States
| Population | 4,745 |
| Coordinates | 41.4219900, -82.3646100 |
| Altitude | 181 |
| Country | United States |
#2 Dayton
The ninth most populous city in Ohio.
| Population | 139,907 |
| Coordinates | 39.7589500, -84.1916100 |
| Altitude | 225 |
| Country | United States |
End: South Main Street (-84.191655, 39.758942)
Estimated Travel Time
Distance: 298 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 10m |
| 40 mph (64.37 km/h) | 04h 37m |
| 50 mph (80.47 km/h) | 03h 42m |
| 60 mph (96.56 km/h) | 03h 05m |
| 70 mph (112.65 km/h) | 02h 38m |
| 80 mph (129 km/h) | 02h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.71 | $24.19 | $48.39 |
| Mid-grade | $4.24 | $27.70 | $55.40 |
| Premium | $4.79 | $31.28 | $62.56 |
| Diesel | $4.30 | $28.11 | $56.21 |
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.