How far is Saint Johns, MI from Troy, MI?

The driving distance from Saint Johns, MI to Troy, MI is about 126.4 miles (203.5 km), with a travel time of about 02h 26m by car.

  • The straight-line flight distance is about 89.5 miles (144 km).
  • For a round trip, plan for roughly 04h 52m 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
126.44 mi
02h 26m
Flight
89.47 mi
143.99 km direct

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

Learn Distance

Choose another destination from Saint Johns.

Flight Distance

Direct air line
89.47 mi
Kilometers
143.99 km
Flight Time
00h 10m

Driving Distance

Road route
126.44 mi
Kilometers
203.49 km
Drive Time
02h 26m

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 26m.

Arrival Snapshot
Arrive in Troy
Wed, Oct 14, 3:45 PM EDT
Return by in Saint Johns
Wed, Oct 14, 6:11 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Johns
2026-10-14T13:18
Arrive Troy
Wed, Oct 14, 3:45 PM EDT
Route Timing
02h 26m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:26 AM to 12:26 PM EDT

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

Leave by
1:38 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Saint Johns
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
Millbrook
MI

Township in Mecosta County, Michigan, United States of America

From Saint Johns
61.5 mi
01h 13m
To Troy
65 mi
01h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Wednesday

Slight Chance Rain Showers then Partly Sunny

Starts
Wed, Oct 14 6:00 AM EDT
Wind
2 to 8 mph N
Destination
63°F
Wednesday

Partly Sunny

Starts
Wed, Oct 14 6:00 AM EDT
Wind
2 to 8 mph N

Driving Route Map

The map below follows the saved road route between Saint Johns and Troy.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Johns and Troy.

  1. 1

    Start on Maple Avenue

    35 m · 7 sec · Maple Avenue

  2. 2

    Turn right onto West State Street

    2155 ft · 1 min · West State Street

  3. 3

    Turn left onto North Whittmore Street

    1.9 mi · 3 min · North Whittmore Street

  4. 4

    Continue on State Road

    2267 ft · 41 sec · State Road

  5. 5

    Take the ramp left

    41 mi · 44 min

  6. 6

    Take the exit slight left toward US 127 Business: Mount Pleasant

    1.9 mi · 2 min · Business US-127

  7. 7

    Continue on South Mission Street

    1.1 km · 1 min · South Mission Street

  8. 8

    Turn left onto East Broomfield Street

    1.5 mi · 3 min · East Broomfield Street

  9. 9

    Continue on East Broomfield Road

    2670 ft · 45 sec · East Broomfield Road

  10. 10

    Turn right onto South Lincoln Road

    1 mi · 2 min · South Lincoln Road

  11. 11

    Turn left onto East Remus Road

    14 mi · 19 min · East Remus Road

  12. 12

    Continue on 9 Mile Road

    2.8 mi · 4 min · 9 Mile Road

  13. 13

    Continue on East Wheatland Avenue

    1 km · 1 min · East Wheatland Avenue

  14. 14

    Continue on 9 Mile Road

    3.5 mi · 5 min · 9 Mile Road

  15. 15

    Continue on 9 Mile Road

    2 mi · 3 min · 9 Mile Road

  16. 16

    Turn left onto 90th Avenue

    2696 ft · 46 sec · 90th Avenue

  17. 17

    Turn right onto Buchanan Road

    6.5 mi · 9 min · Buchanan Road

  18. 18

    Keep slight left to continue on 155th Avenue

    2687 ft · 44 sec · 155th Avenue

  19. 19

    Turn right onto 8 Mile Road

    4.7 mi · 7 min · 8 Mile Road

  20. 20

    Take the ramp right toward US 131 North: Cadillac

    2019 ft · 49 sec

  21. 21

    Merge slight left

    10.6 mi · 11 min

  22. 22

    Take the exit slight right toward B-96: 19 Mile Rd

    2803 ft · 1 min

  23. 23

    Turn left onto 19 Mile Road

    1.8 mi · 3 min · 19 Mile Road

  24. 24

    Continue on East 13 Mile Road

    9.9 mi · 17 min · East 13 Mile Road

  25. 25

    Continue on North Walnut Avenue

    1.6 km · 2 min · North Walnut Avenue

  26. 26

    Turn left onto East 14 Mile Road

    4.9 mi · 9 min · East 14 Mile Road

  27. 27

    Turn left onto North Bingham Avenue

    1 km · 2 min · North Bingham Avenue

  28. 28

    Turn right onto West Main Street

    1368 ft · 38 sec · West Main Street

  29. 29

    Continue on North Cleveland Drive

    3.6 mi · 9 min · North Cleveland Drive

  30. 30

    Continue on West 13 Mile Road

    5.1 mi · 12 min · West 13 Mile Road

  31. 31

    Turn right onto North Dickinson Avenue

    41 m · 4 sec · North Dickinson Avenue

  32. 32

    Arrive at your destination

    0 m · 1 sec · North Dickinson Avenue

Car Route Details

A richer read on the saved driving route between Saint Johns and Troy.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
32 steps
13 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
25.3 / 100 mi
Decision points by distance
Main Roads
State Road
41.4 mi · 33%
East Remus Road
14 mi · 11%
US 131 North
11 mi · 9%
East 13 Mile Road
9.93 mi · 8%
9 Mile Road
8.35 mi · 7%
Buchanan Road
6.46 mi · 5%
Longest Stretch

State Road

Take the ramp left

41 mi · 00h 44m

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 26m
Day trip friendly
Same-Day Return
04h 52m
Round-trip wheel time
Road vs Air
+36.9 mi
89.5 mi direct line
Halfway Stop
Millbrook
01h 13m from Saint Johns
Leave By
1:38 PM EDT
Morning start is best
Weather Watch

Slight Chance Rain Showers then Partly Sunny leaving Saint Johns and Partly Sunny near Troy.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Johns to Troy?

The road trip is about 126.4 miles (203.5 km) and usually takes 02h 26m 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?

Millbrook is a useful midpoint, sitting about 61.5 miles from Saint Johns and 65 miles from Troy.

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

The direct path is about 89.5 miles (144 km), while the road route adds roughly 36.9 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 1:38 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.61 one way or $41.22 round trip. Estimated CO2 is about 39.6 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers then Partly Sunny around Saint Johns and Partly Sunny near Troy.

Stop Ideas Near Millbrook

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

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

BUS

Howard City, Michigan

35 mi away
130 North Ensley St.
BUS

Big Rapids, Michigan

36 mi away
14342 Northland Dr.
BUS

Reed City, Michigan

50 mi away
US 10 & 220th Ave.
BUS

Rockford, Michigan

61 mi away
US 131 & 10 Mile Road NE

Flight Path Map

This map shows the direct air route between Saint Johns and Troy. Straight-line distance: 89.47 mi (143.99 km).

Saint Johns

#1 Saint Johns

City in Michigan

Population7,904
Coordinates43.0011400, -84.5591500
Altitude242
CountryUnited States
Troy

#2 Troy

The most populous city in Oakland County, Michigan.

Population83,589
Coordinates43.7430700, -86.0192300
Altitude251
CountryUnited States
Start: Maple Avenue (-84.559158, 43.00114)
End: North Dickinson Avenue (-86.019074, 43.743068)

Estimated Travel Time

Distance: 203 km by road

SpeedTime
30 mph (48.3 km/h)04h 12m
40 mph (64.37 km/h)03h 09m
50 mph (80.47 km/h)02h 31m
60 mph (96.56 km/h)02h 06m
70 mph (112.65 km/h)01h 48m
80 mph (129 km/h)01h 34m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.46 gal
16.89 L · about $20.61
Round trip
$41.22
8.92 gal · 33.78 L
Estimated CO2
39.6 kg one way
Round trip: 79.3 kg / 175 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.62 $20.61 $41.22
Mid-grade $5.28 $23.53 $47.06
Premium $5.87 $26.17 $52.34
Diesel $6.48 $28.91 $57.81

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 · Oct 14, 2026

There is no time difference between Saint Johns and Troy. The current time is 13:18:47.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.