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

The driving distance from Dayton, OH to Saint Joseph, OH is about 66.5 miles (107.1 km), with a travel time of about 01h 29m by car.

  • The straight-line flight distance is about 54.4 miles (87.6 km).
  • For a round trip, plan for roughly 02h 58m 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
66.58 mi
01h 29m
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 Dayton.

Flight Distance

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

Driving Distance

Road route
66.58 mi
Kilometers
107.15 km
Drive Time
01h 29m

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 29m.

Arrival Snapshot
Arrive in Saint Joseph
Mon, Jun 1, 7:25 AM EDT
Return by in Dayton
Mon, Jun 1, 8:55 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dayton
2026-06-01T05:56
Arrive Saint Joseph
Mon, Jun 1, 7:25 AM EDT
Route Timing
01h 29m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:29 AM to 11:29 AM EDT

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

Leave by
3:32 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
Greenville
OH

City in Darke County, Ohio, United States

From Dayton
33.3 mi
00h 44m
To Saint Joseph
33.3 mi
00h 44m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
77°F
Monday

Chance Rain Showers

Starts
Mon, Jun 1 6:00 AM EDT
Wind
2 to 7 mph NE
Destination
76°F
Monday

Partly Sunny

Starts
Mon, Jun 1 6:00 AM EDT
Wind
0 to 5 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South Main Street

    757 ft · 30 sec · South Main Street

  2. 2

    Turn left onto West 2nd Street

    2417 ft · 1 min · West 2nd Street

  3. 3

    Continue on West 2nd Street

    668 ft · 13 sec · West 2nd Street

  4. 4

    Continue on West 1st Street

    116 m · 7 sec · West 1st Street

  5. 5

    Continue on Salem Avenue

    11.4 mi · 17 min · Salem Avenue

  6. 6

    Take the exit slight right toward SR 49 North: Phillipsburg, Greenville

    1806 ft · 44 sec

  7. 7

    Keep slight right to continue on SR 49 North: Phillipsburg, Greenville

    19.9 mi · 23 min

  8. 8

    Take the exit right

    1374 ft · 38 sec

  9. 9

    Merge slight left

    22.9 mi · 29 min

  10. 10

    Turn left onto Fort Recovery-Minster Road

    3 mi · 4 min · Fort Recovery-Minster Road

  11. 11

    Turn right

    1.8 mi · 3 min

  12. 12

    Turn left onto East Main Street

    1.2 km · 1 min · East Main Street

  13. 13

    Turn slight right onto Western Avenue

    5.1 mi · 9 min · Western Avenue

  14. 14

    Turn right onto Sawmill Road

    1855 ft · 1 min · Sawmill Road

  15. 15

    Arrive at your destination

    0 m · 1 sec · Sawmill Road

Car Route Details

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

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
15 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
22.5 / 100 mi
Decision points by distance
Main Roads
SR 49 North
43.4 mi · 65%
Salem Avenue
11.4 mi · 17%
Western Avenue
5.12 mi · 8%
Fort Recovery-Minster Road
3.04 mi · 5%
East Main Street
0.76 mi · 1%
West 2nd Street
0.58 mi · 1%
Longest Stretch

SR 49 North

Merge slight left

22.9 mi · 00h 29m

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 29m
Day trip friendly
Same-Day Return
02h 58m
Round-trip wheel time
Road vs Air
+12.1 mi
54.4 mi direct line
Halfway Stop
Greenville
00h 44m from Dayton
Leave By
3:32 PM EDT
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 66.5 miles (107.1 km) and usually takes 01h 29m 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 33.3 miles from Dayton and 33.3 miles from Saint Joseph.

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 12.1 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 3:32 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.71 one way or $17.41 round trip. Estimated CO2 is about 20.9 kg one way.

What should you check before leaving?

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

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 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 2.7 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 6.7 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 Dayton and Saint Joseph. Straight-line distance: 54.46 mi (87.64 km).

Dayton

#1 Dayton

The ninth most populous city in Ohio.

Population139,907
Coordinates39.7589500, -84.1916100
Altitude225
CountryUnited States
Photo coming soon

#2 Saint Joseph

Human settlement in United States of America

Population2,784
Coordinates40.4264400, -84.7394100
Altitude297
CountryUnited States
Start: Dayton (-84.19161, 39.75895)
End: Saint Joseph (-84.73941, 40.42644)

Estimated Travel Time

Distance: 107 km by road

SpeedTime
30 mph (48.3 km/h)02h 13m
40 mph (64.37 km/h)01h 39m
50 mph (80.47 km/h)01h 19m
60 mph (96.56 km/h)01h 06m
70 mph (112.65 km/h)00h 57m
80 mph (129 km/h)00h 49m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.35 gal
8.89 L · about $8.71
Round trip
$17.41
4.7 gal · 17.78 L
Estimated CO2
20.9 kg one way
Round trip: 41.8 kg / 92 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.71 $8.71 $17.41
Mid-grade $4.24 $9.97 $19.94
Premium $4.79 $11.26 $22.51
Diesel $4.30 $10.11 $20.23

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 Dayton and Saint Joseph. The current time is 05:56:32.

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.