How far is Grafton, OH from Dayton, OH?

The driving distance from Grafton, OH to Dayton, OH is about 186.4 miles (300 km), with a travel time of about 03h 04m by car.

  • The straight-line flight distance is about 153.4 miles (246.9 km).
  • For a round trip, plan for roughly 06h 08m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
186.43 mi
03h 04m
Flight
153.41 mi
246.89 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Grafton.

Flight Distance

Direct air line
153.41 mi
Kilometers
246.89 km
Flight Time
00h 18m

Driving Distance

Road route
186.43 mi
Kilometers
300.03 km
Drive Time
03h 04m

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 04m.

Arrival Snapshot
Arrive in Dayton
Sun, May 31, 4:25 AM EDT
Return by in Grafton
Sun, May 31, 7:29 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Grafton
2026-05-31T01:20
Arrive Dayton
Sun, May 31, 4:25 AM EDT
Route Timing
03h 04m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:04 AM to 11:04 AM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:52 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Grafton
9:00 PM EDT
Early departure recommended

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.

Mid-route stop
Berkshire
OH

Township in Delaware County, Ohio

From Grafton
93.2 mi
01h 32m
To Dayton
93.3 mi
01h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Sunday

Sunny

Starts
Sun, May 31 6:00 AM EDT
Wind
5 mph E
Destination
77°F
Sunday

Mostly Sunny

Starts
Sun, May 31 6:00 AM EDT
Wind
3 to 7 mph E

Driving Route Map

The map below follows the saved road route between Grafton and Dayton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Grafton and Dayton.

  1. 1

    Start on Mechanic Street

    9 m · 4 sec · Mechanic Street

  2. 2

    Turn right onto Main Street

    3078 ft · 40 sec · Main Street

  3. 3

    Continue on Grafton Road

    1.5 mi · 2 min · Grafton Road

  4. 4

    Turn right onto Avon Belden Road

    1.5 mi · 2 min · Avon Belden Road

  5. 5

    Enter the roundabout and take exit 1 toward Avon Belden Road

    26 m · 1 sec · Avon Belden Road

  6. 6

    Exit the roundabout onto Avon Belden Road

    71 m · 3 sec · Avon Belden Road

  7. 7

    Enter the roundabout and take exit 2 toward Avon Belden Road

    39 m · 2 sec · Avon Belden Road

  8. 8

    Exit the roundabout onto Avon Belden Road

    2.5 mi · 3 min · Avon Belden Road

  9. 9

    Continue on Avon Lake Road

    2.2 mi · 2 min · Avon Lake Road

  10. 10

    Enter the roundabout and take exit 2 toward Avon Lake Road

    120 m · 6 sec · Avon Lake Road

  11. 11

    Exit the roundabout onto Avon Lake Road

    8.9 mi · 10 min · Avon Lake Road

  12. 12

    Continue on Elyria Street

    2532 ft · 1 min · Elyria Street

  13. 13

    Continue on Wooster Street

    1.4 km · 2 min · Wooster Street

  14. 14

    Continue on Avon Lake Road

    2 mi · 3 min · Avon Lake Road

  15. 15

    Take the exit right toward I 71 South: Columbus

    1571 ft · 22 sec

  16. 16

    Merge slight left

    93.5 mi · 1 hr 41 min

  17. 17

    Take the exit slight right toward I 670 East, I 670 West: Airport, Dayton

    1692 ft · 41 sec

  18. 18

    Keep slight right to continue on I 670 West: Dayton

    1491 ft · 36 sec

  19. 19

    Merge slight left onto Northeast Freeway

    1248 ft · 19 sec · Northeast Freeway

  20. 20

    Keep slight right

    4.5 mi · 6 min

  21. 21

    Merge slight right onto West Freeway

    54.2 mi · 58 min · West Freeway

  22. 22

    Take the exit slight right toward SR 4, SR 235: Dayton, New Carlisle

    1730 ft · 42 sec

  23. 23

    Keep slight left to continue on SR 4, SR 235 South: Dayton

    11.1 mi · 14 min

  24. 24

    Take the exit slight right toward SR 48: Main Street, Grand Avenue

    1108 ft · 29 sec

  25. 25

    Turn left onto North Main Street

    1.4 km · 2 min · North Main Street

  26. 26

    Arrive at your destination

    0 m · 1 sec · South Main Street

Car Route Details

A richer read on the saved driving route between Grafton and Dayton.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
26 steps
9 turns on the saved route
Ramps & Exits
13
3 merges, 10 ramps or exits
Navigation Density
13.9 / 100 mi
Decision points by distance
Main Roads
I 71 South
93.8 mi · 50%
West Freeway
54.2 mi · 29%
Avon Lake Road
13.1 mi · 7%
SR 4
11.4 mi · 6%
Northeast Freeway
4.75 mi · 3%
Avon Belden Road
4.18 mi · 2%
Longest Stretch

I 71 South

Merge slight left

93.5 mi · 01h 41m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
03h 04m
Long day trip
Same-Day Return
06h 08m
Round-trip wheel time
Road vs Air
+33 mi
153.4 mi direct line
Halfway Stop
Berkshire
01h 32m from Grafton
Leave By
10:52 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Grafton and Mostly Sunny near Dayton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Grafton to Dayton?

The road trip is about 186.4 miles (300 km) and usually takes 03h 04m 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?

Berkshire is a useful midpoint, sitting about 93.2 miles from Grafton and 93.3 miles from Dayton.

How much longer is the road route than the straight-line distance?

The direct path is about 153.4 miles (246.9 km), while the road route adds roughly 33 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 10:52 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $24.38 one way or $48.76 round trip. Estimated CO2 is about 58.5 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Grafton and Mostly Sunny near Dayton.

Stop Ideas Near Berkshire

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Berkshire, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Berkshire.

BUS

Columbus, OH

35 mi away
111 East Town Street

Flight Path Map

This map shows the direct air route between Grafton and Dayton. Straight-line distance: 153.41 mi (246.89 km).

Grafton

#1 Grafton

Village in Ohio

Population2,866
Coordinates41.2725500, -82.0545900
Altitude245
CountryUnited States
Dayton

#2 Dayton

The ninth most populous city in Ohio.

Population139,907
Coordinates39.7589500, -84.1916100
Altitude225
CountryUnited States
Start: Mechanic Street (-82.05458, 41.272546)
End: South Main Street (-84.191655, 39.758942)

Estimated Travel Time

Distance: 300 km by road

SpeedTime
30 mph (48.3 km/h)06h 12m
40 mph (64.37 km/h)04h 39m
50 mph (80.47 km/h)03h 43m
60 mph (96.56 km/h)03h 06m
70 mph (112.65 km/h)02h 39m
80 mph (129 km/h)02h 19m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.58 gal
24.9 L · about $24.38
Round trip
$48.76
13.16 gal · 49.8 L
Estimated CO2
58.5 kg one way
Round trip: 117 kg / 258 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.71 $24.38 $48.76
Mid-grade $4.24 $27.91 $55.82
Premium $4.79 $31.52 $63.04
Diesel $4.30 $28.32 $56.64

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 · May 31, 2026

There is no time difference between Grafton and Dayton. The current time is 01:20:56.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.