How far is Saint Charles, MO from Troy, MO?

The driving distance from Saint Charles, MO to Troy, MO is about 36.2 miles (58.3 km), with a travel time of about 00h 49m by car.

  • The straight-line flight distance is about 30.1 miles (48.4 km).
  • For a round trip, plan for roughly 01h 38m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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
36.21 mi
00h 49m
Flight
30.07 mi
48.39 km direct

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

Learn Distance

Choose another destination from Saint Charles.

Flight Distance

Direct air line
30.07 mi
Kilometers
48.39 km
Flight Time
00h 03m

Driving Distance

Road route
36.21 mi
Kilometers
58.28 km
Drive Time
00h 49m

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 00h 49m.

Arrival Snapshot
Arrive in Troy
Fri, Apr 24, 3:50 AM CDT
Return by in Saint Charles
Fri, Apr 24, 4:40 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Charles
2026-04-24T03:01
Arrive Troy
Fri, Apr 24, 3:50 AM CDT
Route Timing
00h 49m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
8:49 AM to 10:49 AM CDT

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

Leave by
4:52 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Saint Charles
9:30 PM CDT
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
Lake Saint Louis
MO

City in Saint Charles County, Missouri, United States

From Saint Charles
18.1 mi
00h 24m
To Troy
18.1 mi
00h 24m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Friday

Showers And Thunderstorms

Starts
Fri, Apr 24 6:00 AM CDT
Wind
10 mph SW
Destination
73°F
Friday

Showers And Thunderstorms

Starts
Fri, Apr 24 6:00 AM CDT
Wind
10 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on North Second Street

    1551 ft · 1 min · North Second Street

  2. 2

    Turn right onto First Capitol Drive

    1.4 km · 2 min · First Capitol Drive

  3. 3

    Turn left onto First Capitol Drive

    1.5 km · 2 min · First Capitol Drive

  4. 4

    Take the ramp slight right toward I 70 West

    1018 ft · 14 sec

  5. 5

    Merge slight left

    17.5 mi · 22 min

  6. 6

    Take the exit slight right toward US 61 North: Hannibal

    2234 ft · 48 sec

  7. 7

    Merge slight left onto Avenue of the Saints

    14.7 mi · 18 min · Avenue of the Saints

  8. 8

    Take the exit slight right toward MO 47: Troy, Winfield

    933 ft · 23 sec

  9. 9

    Keep slight left to continue on MO 47 South: Troy

    50 m · 7 sec

  10. 10

    Turn left

    1499 ft · 52 sec

  11. 11

    Turn left onto North Lincoln Drive

    1334 ft · 30 sec · North Lincoln Drive

  12. 12

    Turn right onto East Cherry Street

    2220 ft · 44 sec · East Cherry Street

  13. 13

    Enter the roundabout and take exit 2 toward East Cherry Street

    20 m · 2 sec · East Cherry Street

  14. 14

    Exit the roundabout onto East Cherry Street

    1052 ft · 27 sec · East Cherry Street

  15. 15

    Turn left onto 2nd Street

    30 m · 6 sec · 2nd Street

  16. 16

    Turn right

    30 m · 7 sec

  17. 17

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
17 steps
9 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
47 / 100 mi
Decision points by distance
Main Roads
I 70 West
17.7 mi · 49%
Avenue of the Saints
14.7 mi · 40%
First Capitol Drive
1.77 mi · 5%
East Cherry Street
0.63 mi · 2%
US 61 North
0.42 mi · 1%
North Second Street
0.29 mi · 1%
Longest Stretch

I 70 West

Merge slight left

17.5 mi · 00h 22m

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
00h 49m
Day trip friendly
Same-Day Return
01h 38m
Round-trip wheel time
Road vs Air
+6.1 mi
30.1 mi direct line
Halfway Stop
Lake Saint Louis
00h 24m from Saint Charles
Leave By
4:52 PM CDT
Morning start is best
Weather Watch

Showers And Thunderstorms leaving Saint Charles and Showers And Thunderstorms near Troy.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 36.2 miles (58.3 km) and usually takes 00h 49m 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?

Lake Saint Louis is a useful midpoint, sitting about 18.1 miles from Saint Charles and 18.1 miles from Troy.

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

The direct path is about 30.1 miles (48.4 km), while the road route adds roughly 6.1 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 CDT. If you want a more comfortable same-day return, try to leave by 4:52 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.83 one way or $9.65 round trip. Estimated CO2 is about 11.4 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Saint Charles and Showers And Thunderstorms near Troy.

Stop Ideas Near Lake Saint Louis

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Lake Saint Louis and the surrounding midpoint area.
City Hall Park
Scenic stop 3.5 mi away

City Hall Park

Dardenne Prairie , MO
Dardenne Prairie, MO 63368
Rating 4.8/5 294 reviews Tourist attraction,Park
City of O'Fallon
Meeting point 5.6 mi away

City of O'Fallon

O'Fallon , MO
100 N Main St, O'Fallon, MO 63366
Rating 3.3/5 22 reviews City Hall,Water utility company

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Lake Saint Louis.

RAIL

Washington

33 mi away
301 West Front St.
RAIL

Kirkwood

41 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

54 mi away
551 South 16th St.
RAIL

Hermann

57 mi away
Wharf & Gutenberg Sts.

Flight Path Map

This map shows the direct air route between Saint Charles and Troy. Straight-line distance: 30.07 mi (48.39 km).

Saint Charles

#1 Saint Charles

A city in St.

Population71,761
Coordinates38.7839400, -90.4812300
Altitude147
CountryUnited States
Troy

#2 Troy

City in Lincoln County, Montana, USA

Population13,341
Coordinates38.9794900, -90.9807000
Altitude165
CountryUnited States
Start: Saint Charles (-90.48123, 38.78394)
End: Troy (-90.9807, 38.97949)

Estimated Travel Time

Distance: 58 km by road

SpeedTime
30 mph (48.3 km/h)01h 12m
40 mph (64.37 km/h)00h 54m
50 mph (80.47 km/h)00h 43m
60 mph (96.56 km/h)00h 36m
70 mph (112.65 km/h)00h 31m
80 mph (129 km/h)00h 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.28 gal
4.84 L · about $4.83
Round trip
$9.65
2.56 gal · 9.68 L
Estimated CO2
11.4 kg one way
Round trip: 22.8 kg / 50 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $4.83 $9.65
Mid-grade $4.25 $5.44 $10.89
Premium $4.65 $5.96 $11.91
Diesel $5.30 $6.79 $13.58

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 Missouri · Apr 24, 2026

There is no time difference between Saint Charles and Troy. The current time is 03:01:10.

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.