How far is Dayton, OH from Unity, OH?

The driving distance from Dayton, OH to Unity, OH is about 80.5 miles (129.5 km), with a travel time of about 02h 01m by car.

  • The straight-line flight distance is about 69.8 miles (112.3 km).
  • For a round trip, plan for roughly 04h 02m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
80.49 mi
02h 01m
Flight
69.76 mi
112.27 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Dayton.

Flight Distance

Direct air line
69.76 mi
Kilometers
112.27 km
Flight Time
00h 08m

Driving Distance

Road route
80.49 mi
Kilometers
129.54 km
Drive Time
02h 01m

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 02h 01m.

Arrival Snapshot
Arrive in Unity
Sun, May 3, 2:12 AM EDT
Return by in Dayton
Sun, May 3, 4:13 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dayton
2026-05-03T00:11
Arrive Unity
Sun, May 3, 2:12 AM EDT
Route Timing
02h 01m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:01 AM to 12:01 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:28 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dayton
9:30 PM EDT
Morning start is best

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
Clinton
OH

City and the county seat of Clinton County, Iowa

From Dayton
40.3 mi
01h 00m
To Unity
40.3 mi
01h 00m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Sunday

Areas Of Frost then Mostly Sunny

Starts
Sun, May 3 6:00 AM EDT
Wind
3 to 15 mph SW
Destination
63°F
Sunday

Sunny

Starts
Sun, May 3 6:00 AM EDT
Wind
5 to 12 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South Main Street

    92 m · 12 sec · South Main Street

  2. 2

    Turn right onto West 4th Street

    156 m · 18 sec · West 4th Street

  3. 3

    Turn left onto South Ludlow Street

    2095 ft · 41 sec · South Ludlow Street

  4. 4

    Take the ramp straight toward US 35 East: Xenia

    2382 ft · 58 sec

  5. 5

    Merge slight left

    16.4 mi · 23 min

  6. 6

    Take the exit slight right toward US 68: Home Avenue, Wilmington

    1437 ft · 38 sec

  7. 7

    Turn right

    14.8 mi · 22 min

  8. 8

    Take the ramp left toward SR 73 East: Hillsboro

    1451 ft · 36 sec

  9. 9

    Merge slight left onto Wilmington Bypass

    14 mi · 18 min · Wilmington Bypass

  10. 10

    Continue on High Street

    9.4 mi · 14 min · High Street

  11. 11

    Turn left onto West Main Street

    710 ft · 16 sec · West Main Street

  12. 12

    Turn right onto South High Street

    1925 ft · 42 sec · South High Street

  13. 13

    Turn left onto Muntz Street

    711 ft · 16 sec · Muntz Street

  14. 14

    Turn right onto South East Street

    1507 ft · 25 sec · South East Street

  15. 15

    Continue on West Union Pike

    20.4 mi · 31 min · West Union Pike

  16. 16

    Turn left onto Graces Run Road

    1.7 mi · 4 min · Graces Run Road

  17. 17

    Continue on Wheat Ridge Road

    1.3 mi · 3 min · Wheat Ridge Road

  18. 18

    Arrive at your destination

    0 m · 1 sec · Wheat Ridge Road

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
18 steps
8 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
22.4 / 100 mi
Decision points by distance
Main Roads
West Union Pike
20.4 mi · 25%
US 35 East
16.9 mi · 21%
Wilmington Bypass
14 mi · 17%
High Street
9.41 mi · 12%
Graces Run Road
1.7 mi · 2%
Wheat Ridge Road
1.35 mi · 2%
Longest Stretch

West Union Pike

Continue on West Union Pike

20.4 mi · 00h 31m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 01m
Day trip friendly
Same-Day Return
04h 02m
Round-trip wheel time
Road vs Air
+10.7 mi
69.8 mi direct line
Halfway Stop
Clinton
01h 00m from Dayton
Leave By
2:28 PM EDT
Morning start is best
Weather Watch

Areas Of Frost then Mostly Sunny leaving Dayton and Sunny near Unity.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 80.5 miles (129.5 km) and usually takes 02h 01m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Clinton is a useful midpoint, sitting about 40.3 miles from Dayton and 40.3 miles from Unity.

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

The direct path is about 69.8 miles (112.3 km), while the road route adds roughly 10.7 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:28 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $10.52 one way or $21.04 round trip. Estimated CO2 is about 25.2 kg one way.

What should you check before leaving?

Before you leave, expect Areas Of Frost then Mostly Sunny around Dayton and Sunny near Unity.

Stop Ideas Near Clinton

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

Mid-route Guidance
Local place coverage is thin around Clinton, 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 Clinton.

BUS

Cincinnati, OH

76 mi away
1005 Gilbert Avenue
RAIL

Cincinnati Museum Center at Union Terminal

79 mi away
1301 Western Ave.
BUS

Columbus, OH

85 mi away
111 East Town Street
RAIL

Maysville

91 mi away
West Front St & Rosemary Clooney St

Flight Path Map

This map shows the direct air route between Dayton and Unity. Straight-line distance: 69.76 mi (112.27 km).

Dayton

#1 Dayton

The ninth most populous city in Ohio.

Population139,907
Coordinates39.7589500, -84.1916100
Altitude225
CountryUnited States
Unity

#2 Unity

City in Ohio, United States of America

Population9,309
Coordinates38.8917400, -83.5232500
Altitude290
CountryUnited States
Start: Dayton (-84.19161, 39.75895)
End: Unity (-83.52325, 38.89174)

Estimated Travel Time

Distance: 130 km by road

SpeedTime
30 mph (48.3 km/h)02h 40m
40 mph (64.37 km/h)02h 00m
50 mph (80.47 km/h)01h 36m
60 mph (96.56 km/h)01h 20m
70 mph (112.65 km/h)01h 08m
80 mph (129 km/h)01h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.84 gal
10.75 L · about $10.52
Round trip
$21.04
5.68 gal · 21.5 L
Estimated CO2
25.2 kg one way
Round trip: 50.5 kg / 111 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.71 $10.52 $21.04
Mid-grade $4.24 $12.05 $24.09
Premium $4.79 $13.60 $27.21
Diesel $4.30 $12.22 $24.45

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 03, 2026

There is no time difference between Dayton and Unity. The current time is 00:11:24.

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.