How far is Riley, MI from Sterling Heights, MI?
The driving distance from Riley, MI to Sterling Heights, MI is about 117.2 miles (188.6 km), with a travel time of about 01h 51m by car.
- The straight-line flight distance is about 86.9 miles (139.8 km).
- For a round trip, plan for roughly 03h 43m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 51m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Michigan, US
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Riley and Sterling Heights.
Turn-by-Turn Driving Directions
Step-by-step road directions between Riley and Sterling Heights.
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1
Start on West Jason Road
1.6 km · 4 min · West Jason Road
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2
Turn right onto South Francis Road
3 mi · 5 min · South Francis Road
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3
Turn left onto West Chadwick Road
6 mi · 8 min · West Chadwick Road
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4
Turn right onto Old US-27
3.7 mi · 5 min · Old US-27
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5
Take the ramp slight right
1600 ft · 54 sec
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6
Merge slight left
45.6 mi · 46 min
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7
Take the exit slight right toward I 75, US 23: Saginaw, Detroit
1999 ft · 49 sec
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8
Keep slight right to continue on I 75 South, US 23 South: Detroit
1919 ft · 47 sec
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9
Merge slight left
1.9 mi · 2 min
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10
Keep slight left
36.8 mi · 39 min
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11
Take the exit slight right toward M 59 East: Utica
1392 ft · 47 sec
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12
Merge slight left
9.6 mi · 10 min
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13
Take the exit slight right toward Mound Road, Merrill Road
1449 ft · 35 sec
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14
Continue on Dobry Drive
1046 ft · 26 sec · Dobry Drive
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15
Turn right onto Mound Road
3.3 mi · 5 min · Mound Road
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16
Continue on Mound Road
1212 ft · 36 sec · Mound Road
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17
Turn right onto 17 Mile Road
1.6 km · 2 min · 17 Mile Road
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18
Arrive at your destination
0 m · 1 sec · 17 Mile Road
Car Route Details
A richer read on the saved driving route between Riley and Sterling Heights.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Old US-27
Merge slight left
45.6 mi · 00h 46m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Chance Rain Showers leaving Riley and Mostly Cloudy near Sterling Heights.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Riley to Sterling Heights?
The road trip is about 117.2 miles (188.6 km) and usually takes 01h 51m 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?
Swartz Creek is a useful midpoint, sitting about 56.9 miles from Riley and 60.3 miles from Sterling Heights.
How much longer is the road route than the straight-line distance?
The direct path is about 86.9 miles (139.8 km), while the road route adds roughly 30.3 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 2:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.57 one way or $31.15 round trip. Estimated CO2 is about 36.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Riley and Mostly Cloudy near Sterling Heights.
Stop Ideas Near Swartz Creek
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Swartz Creek.
Durand Union Station
Flint station
Owosso, MI
Lapeer station
Flight Path Map
This map shows the direct air route between Riley and Sterling Heights. Straight-line distance: 86.87 mi (139.8 km).
#1 Riley
Township in Clinton County, Michigan
| Population | 3,272 |
| Coordinates | 42.9150300, -84.6805400 |
| Altitude | 229 |
| Country | United States |
#2 Sterling Heights
The second most populous city in Macomb County, Michigan.
| Population | 131,709 |
| Coordinates | 42.5803100, -83.0302000 |
| Altitude | 187 |
| Country | United States |
End: 17 Mile Road (-83.030204, 42.580347)
Estimated Travel Time
Distance: 189 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 54m |
| 40 mph (64.37 km/h) | 02h 55m |
| 50 mph (80.47 km/h) | 02h 20m |
| 60 mph (96.56 km/h) | 01h 57m |
| 70 mph (112.65 km/h) | 01h 40m |
| 80 mph (129 km/h) | 01h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.57 | $31.15 |
| Mid-grade | $4.25 | $17.56 | $35.13 |
| Premium | $4.65 | $19.22 | $38.44 |
| Diesel | $5.30 | $21.91 | $43.81 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.