How far is Saint Johns, MI from Rochester Hills, MI?
The driving distance from Saint Johns, MI to Rochester Hills, MI is about 105 miles (169 km), with a travel time of about 01h 34m by car.
- The straight-line flight distance is about 75.2 miles (121.1 km).
- For a round trip, plan for roughly 03h 08m 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 34m.
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.
The largest city in Genesee County, Michigan.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Saint Johns and Rochester Hills.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Johns and Rochester Hills.
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1
Start on Maple Avenue
35 m · 7 sec · Maple Avenue
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2
Turn right onto West State Street
22.3 mi · 36 min · West State Street
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3
Continue on M-21
18.7 mi · 27 min · M-21
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4
Take the ramp left toward I 75 South, US 23 South: Detroit, Ann Arbor
646 ft · 16 sec
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5
Merge slight left
3.7 mi · 4 min
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6
Keep slight left
36.8 mi · 39 min
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7
Take the exit slight right toward M 59 East: Utica
1392 ft · 47 sec
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8
Merge slight left
3.2 mi · 3 min
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9
Take the exit slight right toward Crooks Road
1963 ft · 55 sec
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10
Turn left onto Crooks Road
3230 ft · 1 min · Crooks Road
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11
Turn right onto West Hamlin Road
1 mi · 2 min · West Hamlin Road
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12
Enter the roundabout and take exit 3 toward South Livernois Road
65 m · 4 sec · South Livernois Road
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13
Exit the roundabout onto South Livernois Road
1428 ft · 29 sec · South Livernois Road
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14
Turn right onto Dressler Lane
60 m · 13 sec · Dressler Lane
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15
Turn left onto Downhill Lane
115 m · 22 sec · Downhill Lane
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16
Turn left onto Dickson Lane
1164 ft · 51 sec · Dickson Lane
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17
Arrive at your destination
0 m · 1 sec · Dickson Lane
Car Route Details
A richer read on the saved driving route between Saint Johns and Rochester Hills.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 75 South
Keep slight left
36.8 mi · 00h 39m
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.
Showers And Thunderstorms leaving Saint Johns and Showers And Thunderstorms near Rochester Hills.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Johns to Rochester Hills?
The road trip is about 105 miles (169 km) and usually takes 01h 34m 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?
Flint is a useful midpoint, sitting about 43.8 miles from Saint Johns and 61.3 miles from Rochester Hills.
How much longer is the road route than the straight-line distance?
The direct path is about 75.2 miles (121.1 km), while the road route adds roughly 29.8 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 3:22 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.99 one way or $27.98 round trip. Estimated CO2 is about 33 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Saint Johns and Showers And Thunderstorms near Rochester Hills.
Stop Ideas Near Flint
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 Flint.
Flint station
Durand Union Station
Lapeer station
Owosso, MI
Flight Path Map
This map shows the direct air route between Saint Johns and Rochester Hills. Straight-line distance: 75.23 mi (121.07 km).
#1 Saint Johns
City in Michigan
| Population | 7,904 |
| Coordinates | 43.0011400, -84.5591500 |
| Altitude | 242 |
| Country | United States |
#2 Rochester Hills
A city in Oakland County, Michigan.
| Population | 74,111 |
| Coordinates | 42.6583700, -83.1499300 |
| Altitude | 251 |
| Country | United States |
End: Dickson Lane (-83.150084, 42.658638)
Estimated Travel Time
Distance: 169 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 30m |
| 40 mph (64.37 km/h) | 02h 37m |
| 50 mph (80.47 km/h) | 02h 06m |
| 60 mph (96.56 km/h) | 01h 45m |
| 70 mph (112.65 km/h) | 01h 30m |
| 80 mph (129 km/h) | 01h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.99 | $27.98 |
| Mid-grade | $4.25 | $15.78 | $31.56 |
| Premium | $4.65 | $17.27 | $34.53 |
| Diesel | $5.30 | $19.68 | $39.36 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.