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

The driving distance from Troy, MI to Saint Johns, MI is about 122.6 miles (197.3 km), with a travel time of about 02h 54m by car.

  • The straight-line flight distance is about 89.5 miles (144 km).
  • For a round trip, plan for roughly 05h 48m 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
122.58 mi
02h 54m
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 Troy.

Flight Distance

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

Driving Distance

Road route
122.58 mi
Kilometers
197.27 km
Drive Time
02h 54m

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 54m.

Arrival Snapshot
Arrive in Saint Johns
Wed, Oct 14, 5:16 PM EDT
Return by in Troy
Wed, Oct 14, 8:10 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Troy
2026-10-14T14:22
Arrive Saint Johns
Wed, Oct 14, 5:16 PM EDT
Route Timing
02h 54m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:54 AM to 12:54 PM EDT

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

Leave by
12:42 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Troy
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 Troy
61.2 mi
01h 27m
To Saint Johns
61.4 mi
01h 27m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Wednesday

Partly Sunny

Starts
Wed, Oct 14 6:00 AM EDT
Wind
2 to 8 mph N
Destination
68°F
Wednesday

Slight Chance Rain Showers then 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 Troy and Saint Johns.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on North Dickinson Avenue

    41 m · 9 sec · North Dickinson Avenue

  2. 2

    Turn left onto West 13 Mile Road

    5.1 mi · 12 min · West 13 Mile Road

  3. 3

    Continue on Cleveland Drive West

    3.6 mi · 9 min · Cleveland Drive West

  4. 4

    Continue on West Main Street

    1368 ft · 43 sec · West Main Street

  5. 5

    Turn left onto North Bingham Avenue

    1 km · 2 min · North Bingham Avenue

  6. 6

    Turn right onto West 14 Mile Road

    4.9 mi · 9 min · West 14 Mile Road

  7. 7

    Turn right onto North Walnut Avenue

    1.6 km · 2 min · North Walnut Avenue

  8. 8

    Continue on East 13 Mile Road

    9.9 mi · 17 min · East 13 Mile Road

  9. 9

    Continue on 19 Mile Road

    1.4 mi · 2 min · 19 Mile Road

  10. 10

    Take the ramp right

    2576 ft · 1 min

  11. 11

    Merge slight left

    10.5 mi · 11 min

  12. 12

    Take the exit slight right toward M 20: Stanwood

    2527 ft · 1 min

  13. 13

    Turn left onto 8 Mile Road

    4.9 mi · 7 min · 8 Mile Road

  14. 14

    Turn left onto 155th Avenue

    2687 ft · 42 sec · 155th Avenue

  15. 15

    Continue on Buchanan Road

    6.5 mi · 9 min · Buchanan Road

  16. 16

    Turn left onto 90th Avenue

    2696 ft · 44 sec · 90th Avenue

  17. 17

    Turn right onto 9 Mile Road

    2 mi · 3 min · 9 Mile Road

  18. 18

    At the end of the road, turn right onto 9 Mile Road

    3.5 mi · 5 min · 9 Mile Road

  19. 19

    Continue on West Wheatland Avenue

    1 km · 1 min · West Wheatland Avenue

  20. 20

    Continue on 9 Mile Road

    2.8 mi · 4 min · 9 Mile Road

  21. 21

    Continue on West Remus Road

    14 mi · 19 min · West Remus Road

  22. 22

    Turn right onto South Lincoln Road

    1 mi · 2 min · South Lincoln Road

  23. 23

    Turn left onto East Broomfield Road

    2670 ft · 41 sec · East Broomfield Road

  24. 24

    Continue on West Broomfield Street

    1.5 mi · 3 min · West Broomfield Street

  25. 25

    Turn right onto South Mission Street

    1.1 km · 1 min · South Mission Street

  26. 26

    Continue on Business US-127

    1.3 mi · 2 min · Business US-127

  27. 27

    Keep slight right to continue on Business US-127

    25.3 mi · 25 min · Business US-127

  28. 28

    Continue on South Bagley Road

    5.9 mi · 7 min · South Bagley Road

  29. 29

    Continue on US-127

    1.4 mi · 2 min · US-127

  30. 30

    Continue on South Bagley Road

    3 mi · 3 min · South Bagley Road

  31. 31

    Continue on US-127

    5.8 mi · 7 min · US-127

  32. 32

    Take the exit slight right toward BUS US 127: St Johns

    2499 ft · 1 min

  33. 33

    Turn right onto State Road

    778 ft · 13 sec · State Road

  34. 34

    Continue on North Whittmore Street

    2581 ft · 44 sec · North Whittmore Street

  35. 35

    Turn right onto North Lansing Street

    1.2 mi · 3 min · North Lansing Street

  36. 36

    Turn left onto West Cass Street

    902 ft · 45 sec · West Cass Street

  37. 37

    Turn left onto Maple Avenue

    107 m · 15 sec · Maple Avenue

  38. 38

    Arrive at your destination

    0 m · 1 sec · Maple Avenue

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
38 steps
16 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
31 / 100 mi
Decision points by distance
Main Roads
Business US-127
26.6 mi · 22%
West Remus Road
14 mi · 11%
19 Mile Road
12.4 mi · 10%
East 13 Mile Road
9.93 mi · 8%
South Bagley Road
8.87 mi · 7%
9 Mile Road
8.35 mi · 7%
Longest Stretch

Business US-127

Keep slight right to continue on Business US-127

25.3 mi · 00h 25m

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 54m
Day trip friendly
Same-Day Return
05h 48m
Round-trip wheel time
Road vs Air
+33.1 mi
89.5 mi direct line
Halfway Stop
Millbrook
01h 27m from Troy
Leave By
12:42 PM EDT
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 122.6 miles (197.3 km) and usually takes 02h 54m 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 61.2 miles from Troy and 61.4 miles from Saint Johns.

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 33.1 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 12:42 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $19.96 one way or $39.93 round trip. Estimated CO2 is about 38.4 kg one way.

What should you check before leaving?

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

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 Troy and Saint Johns. Straight-line distance: 89.47 mi (143.99 km).

Troy

#1 Troy

The most populous city in Oakland County, Michigan.

Population83,589
Coordinates43.7430700, -86.0192300
Altitude251
CountryUnited States
Saint Johns

#2 Saint Johns

City in Michigan

Population7,904
Coordinates43.0011400, -84.5591500
Altitude242
CountryUnited States
Start: Troy (-86.01923, 43.74307)
End: Saint Johns (-84.55915, 43.00114)

Estimated Travel Time

Distance: 197 km by road

SpeedTime
30 mph (48.3 km/h)04h 05m
40 mph (64.37 km/h)03h 03m
50 mph (80.47 km/h)02h 27m
60 mph (96.56 km/h)02h 02m
70 mph (112.65 km/h)01h 45m
80 mph (129 km/h)01h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.32 gal
16.37 L · about $19.96
Round trip
$39.93
8.64 gal · 32.74 L
Estimated CO2
38.4 kg one way
Round trip: 76.8 kg / 169 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.62 $19.96 $39.93
Mid-grade $5.28 $22.79 $45.58
Premium $5.87 $25.35 $50.70
Diesel $6.48 $28.00 $56.00

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 Troy and Saint Johns. The current time is 14:22:13.

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.