How far is Saint Joseph, OH from Dayton, OH?

The driving distance from Saint Joseph, OH to Dayton, OH is about 68.3 miles (109.9 km), with a travel time of about 01h 19m by car.

  • The straight-line flight distance is about 54.4 miles (87.6 km).
  • For a round trip, plan for roughly 02h 38m 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
68.26 mi
01h 19m
Flight
54.46 mi
87.64 km direct

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

Learn Distance

Choose another destination from Saint Joseph.

Flight Distance

Direct air line
54.46 mi
Kilometers
87.64 km
Flight Time
00h 06m

Driving Distance

Road route
68.26 mi
Kilometers
109.86 km
Drive Time
01h 19m

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 01h 19m.

Arrival Snapshot
Arrive in Dayton
Mon, Jun 1, 6:02 AM EDT
Return by in Saint Joseph
Mon, Jun 1, 7:21 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Joseph
2026-06-01T04:43
Arrive Dayton
Mon, Jun 1, 6:02 AM EDT
Route Timing
01h 19m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:19 AM to 11:19 AM EDT

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

Leave by
3:52 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Saint Joseph
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
Greenville
OH

City in Darke County, Ohio, United States

From Saint Joseph
33.4 mi
00h 39m
To Dayton
34.9 mi
00h 39m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
76°F
Monday

Partly Sunny

Starts
Mon, Jun 1 6:00 AM EDT
Wind
0 to 5 mph NE
Destination
77°F
Monday

Chance Rain Showers

Starts
Mon, Jun 1 6:00 AM EDT
Wind
2 to 7 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Joseph and Dayton.

  1. 1

    Start on Sawmill Road

    1855 ft · 1 min · Sawmill Road

  2. 2

    At the end of the road, turn left

    5.9 mi · 10 min

  3. 3

    Turn right onto South Eastern Avenue

    1.8 mi · 3 min · South Eastern Avenue

  4. 4

    Turn left onto Fort Recovery-Minster Road

    3 mi · 4 min · Fort Recovery-Minster Road

  5. 5

    At the end of the road, turn right

    22.9 mi · 28 min

  6. 6

    Take the exit slight right

    1236 ft · 41 sec

  7. 7

    Turn left

    21.8 mi · 25 min

  8. 8

    Keep slight right to continue on SR 49 South: Clayton, Trotwood

    10 mi · 15 min

  9. 9

    Continue on West 1st Street

    116 m · 7 sec · West 1st Street

  10. 10

    Continue on West 1st Street

    11 m · 1 sec · West 1st Street

  11. 11

    Continue on West 1st Street

    2425 ft · 58 sec · West 1st Street

  12. 12

    Turn right onto North Ludlow Street

    1052 ft · 27 sec · North Ludlow Street

  13. 13

    Turn left onto West 3rd Street

    157 m · 13 sec · West 3rd Street

  14. 14

    Turn right onto South Main Street

    68 m · 6 sec · South Main Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · South Main Street

Car Route Details

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

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
15 steps
8 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
22 / 100 mi
Decision points by distance
Main Roads
SR 49 South
9.96 mi · 15%
Fort Recovery-Minster Road
3.27 mi · 5%
South Eastern Avenue
1.76 mi · 3%
West 1st Street
0.54 mi · 1%
Sawmill Road
0.35 mi · 1%
North Ludlow Street
0.2 mi
Longest Stretch

Longest stretch

At the end of the road, turn right

22.9 mi · 00h 28m

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
01h 19m
Day trip friendly
Same-Day Return
02h 38m
Round-trip wheel time
Road vs Air
+13.9 mi
54.4 mi direct line
Halfway Stop
Greenville
00h 39m from Saint Joseph
Leave By
3:52 PM EDT
Morning start is best
Weather Watch

Partly Sunny leaving Saint Joseph and Chance Rain Showers near Dayton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Joseph to Dayton?

The road trip is about 68.3 miles (109.9 km) and usually takes 01h 19m 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?

Greenville is a useful midpoint, sitting about 33.4 miles from Saint Joseph and 34.9 miles from Dayton.

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

The direct path is about 54.4 miles (87.6 km), while the road route adds roughly 13.9 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 3:52 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.93 one way or $17.86 round trip. Estimated CO2 is about 21.4 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Saint Joseph and Chance Rain Showers near Dayton.

Stop Ideas Near Greenville

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Greenville and the surrounding midpoint area.
Darke County Visitors Bureau
Scenic stop 2.1 mi away

Darke County Visitors Bureau

Greenville , OH
421 S Broadway St, Greenville, OH 45331, United States
Rating 5.0/5 6 reviews Tourist information center
Advance America
Practical stop 2.8 mi away

Advance America

Greenville , OH
537 Wagner Ave, Greenville, OH 45331, United States
Rating 5.0/5 429 reviews Loan agency,Financial institution,Money order service,Money transfer service
Arcanum Community of Faith Church
Nearby stop 6.6 mi away

Arcanum Community of Faith Church

Arcanum , OH
109 W George St, Arcanum, OH 45304, United States
Rating 5.0/5 20 reviews Church
Brookdale Greenville
Practical stop 3.3 mi away

Brookdale Greenville

Greenville , OH
1401 N Broadway St, Greenville, OH 45331, United States
Rating 5.0/5 5 reviews Assisted living facility,Home health care service,Hospice,Retirement community,Retirement home,Senior citizen center

Transit and Meeting Points

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

RAIL

Connersville station

66 mi away
1012 Eastern Avenue
BUS

Cincinnati, OH

111 mi away
1005 Gilbert Avenue
RAIL

Cincinnati Museum Center at Union Terminal

112 mi away
1301 Western Ave.

Flight Path Map

This map shows the direct air route between Saint Joseph and Dayton. Straight-line distance: 54.46 mi (87.64 km).

Photo coming soon

#1 Saint Joseph

Human settlement in United States of America

Population2,784
Coordinates40.4264400, -84.7394100
Altitude297
CountryUnited States
Dayton

#2 Dayton

The ninth most populous city in Ohio.

Population139,907
Coordinates39.7589500, -84.1916100
Altitude225
CountryUnited States
Start: Sawmill Road (-84.739013, 40.426438)
End: South Main Street (-84.191655, 39.758942)

Estimated Travel Time

Distance: 110 km by road

SpeedTime
30 mph (48.3 km/h)02h 16m
40 mph (64.37 km/h)01h 42m
50 mph (80.47 km/h)01h 21m
60 mph (96.56 km/h)01h 08m
70 mph (112.65 km/h)00h 58m
80 mph (129 km/h)00h 51m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.41 gal
9.12 L · about $8.93
Round trip
$17.86
4.82 gal · 18.24 L
Estimated CO2
21.4 kg one way
Round trip: 42.8 kg / 94 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.71 $8.93 $17.86
Mid-grade $4.24 $10.22 $20.45
Premium $4.79 $11.54 $23.09
Diesel $4.30 $10.37 $20.75

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 · Jun 01, 2026

There is no time difference between Saint Joseph and Dayton. The current time is 04:43:29.

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.