How far is Dearborn, MI from Riley, MI?

The driving distance from Dearborn, MI to Riley, MI is about 108.4 miles (174.4 km), with a travel time of about 02h 10m by car.

  • The straight-line flight distance is about 86.7 miles (139.6 km).
  • For a round trip, plan for roughly 04h 20m 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
108.37 mi
02h 10m
Flight
86.76 mi
139.62 km direct

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

Learn Distance

Choose another destination from Dearborn.

Flight Distance

Direct air line
86.76 mi
Kilometers
139.62 km
Flight Time
00h 10m

Driving Distance

Road route
108.37 mi
Kilometers
174.41 km
Drive Time
02h 10m

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 10m.

Arrival Snapshot
Arrive in Riley
Thu, Apr 23, 12:05 AM EDT
Return by in Dearborn
Thu, Apr 23, 2:16 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dearborn
2026-04-22T21:55
Arrive Riley
Thu, Apr 23, 12:05 AM EDT
Route Timing
02h 10m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:10 AM to 12:10 PM EDT

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

Leave by
2:10 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dearborn
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
Howell
MI

Human settlement in Livingston County, Michigan, United States of America

From Dearborn
54.1 mi
01h 05m
To Riley
54.2 mi
01h 05m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
71°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
6 mph NNE
Destination
68°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
6 mph NE

Driving Route Map

The map below follows the saved road route between Dearborn and Riley.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dearborn and Riley.

  1. 1

    Start on Michigan Avenue

    24 m · 7 sec · Michigan Avenue

  2. 2

    Turn left onto Schaefer Road

    2572 ft · 1 min · Schaefer Road

  3. 3

    Turn right onto Ford Road

    159 m · 11 sec · Ford Road

  4. 4

    Continue on Ford Road

    1.9 mi · 3 min · Ford Road

  5. 5

    Turn slight right

    1987 ft · 1 min

  6. 6

    Turn straight onto North M 39 Service Drive

    107 m · 8 sec · North M 39 Service Drive

  7. 7

    Take the ramp straight toward M 39 North

    146 m · 12 sec

  8. 8

    Merge slight left onto Southfield Freeway

    8.5 mi · 12 min · Southfield Freeway

  9. 9

    Keep slight left to continue on M 10 North: Lansing

    2572 ft · 1 min

  10. 10

    Merge slight left onto John C Lodge Freeway

    3.9 mi · 4 min · John C Lodge Freeway

  11. 11

    Take the exit slight left toward I 696 West: Lansing

    2310 ft · 56 sec

  12. 12

    Merge slight left onto Walter P Reuther Freeway

    8.2 mi · 9 min · Walter P Reuther Freeway

  13. 13

    Merge slight right

    17.9 mi · 19 min

  14. 14

    Keep slight left

    54.8 mi · 59 min

  15. 15

    Keep slight left to continue on I 96 West: Grand Rapids

    3233 ft · 39 sec

  16. 16

    Take the exit slight right toward Grand River Ave

    1339 ft · 35 sec

  17. 17

    Turn right onto West Grand River Avenue

    933 ft · 20 sec · West Grand River Avenue

  18. 18

    Turn left onto Francis Road

    9.1 mi · 14 min · Francis Road

  19. 19

    Turn left onto West Jason Road

    1.6 km · 4 min · West Jason Road

  20. 20

    Arrive at your destination

    0 m · 1 sec · West Jason Road

Car Route Details

A richer read on the saved driving route between Dearborn and Riley.

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
20 steps
7 turns on the saved route
Ramps & Exits
7
4 merges, 3 ramps or exits
Navigation Density
18.5 / 100 mi
Decision points by distance
Main Roads
Walter P Reuther Freeway
81 mi · 75%
Francis Road
9.08 mi · 8%
Southfield Freeway
8.52 mi · 8%
John C Lodge Freeway
3.85 mi · 4%
Ford Road
1.98 mi · 2%
West Jason Road
0.98 mi · 1%
Longest Stretch

Walter P Reuther Freeway

Keep slight left

54.8 mi · 00h 59m

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 10m
Day trip friendly
Same-Day Return
04h 20m
Round-trip wheel time
Road vs Air
+21.7 mi
86.7 mi direct line
Halfway Stop
Howell
01h 05m from Dearborn
Leave By
2:10 PM EDT
Morning start is best
Weather Watch

Sunny leaving Dearborn and Sunny near Riley.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dearborn to Riley?

The road trip is about 108.4 miles (174.4 km) and usually takes 02h 10m 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?

Howell is a useful midpoint, sitting about 54.1 miles from Dearborn and 54.2 miles from Riley.

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

The direct path is about 86.7 miles (139.6 km), while the road route adds roughly 21.7 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 2:10 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $14.44 one way or $28.89 round trip. Estimated CO2 is about 34 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Dearborn and Sunny near Riley.

Stop Ideas Near Howell

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

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

RAIL

Durand Union Station

34 mi away
200 South Railroad St.
RAIL

Ann Arbor station

39 mi away
325 Depot Street
BUS

Owosso, MI

48 mi away
109 Comstock Street
RAIL

East Lansing station

48 mi away
1240 South Harrison Road

Flight Path Map

This map shows the direct air route between Dearborn and Riley. Straight-line distance: 86.76 mi (139.62 km).

Dearborn

#1 Dearborn

The most populous city in Wayne County, Michigan.

Population93,367
Coordinates42.3222600, -83.1763100
Altitude180
CountryUnited States
Photo coming soon

#2 Riley

Township in Clinton County, Michigan

Population3,272
Coordinates42.9150300, -84.6805400
Altitude229
CountryUnited States
Start: Dearborn (-83.17631, 42.32226)
End: Riley (-84.68054, 42.91503)

Estimated Travel Time

Distance: 174 km by road

SpeedTime
30 mph (48.3 km/h)03h 36m
40 mph (64.37 km/h)02h 42m
50 mph (80.47 km/h)02h 10m
60 mph (96.56 km/h)01h 48m
70 mph (112.65 km/h)01h 32m
80 mph (129 km/h)01h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.83 gal
14.48 L · about $14.44
Round trip
$28.89
7.66 gal · 28.96 L
Estimated CO2
34 kg one way
Round trip: 68.1 kg / 150 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $14.44 $28.89
Mid-grade $4.25 $16.29 $32.58
Premium $4.65 $17.82 $35.65
Diesel $5.30 $20.31 $40.63

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 Michigan · Apr 23, 2026

There is no time difference between Dearborn and Riley. The current time is 21:55:16.

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.