How far is Saint Charles, MO from Sainte Genevieve County, MO?

The driving distance from Saint Charles, MO to Sainte Genevieve County, MO is about 79.2 miles (127.5 km), with a travel time of about 01h 39m by car.

  • The straight-line flight distance is about 63.4 miles (102 km).
  • For a round trip, plan for roughly 03h 19m 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
79.22 mi
01h 39m
Flight
63.4 mi
102.03 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
63.4 mi
Kilometers
102.03 km
Flight Time
00h 07m

Driving Distance

Road route
79.22 mi
Kilometers
127.49 km
Drive Time
01h 39m

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 39m.

Arrival Snapshot
Arrive in Sainte Genevieve County
Thu, Oct 15, 8:11 PM CDT
Return by in Saint Charles
Thu, Oct 15, 9:51 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Charles
2026-10-15T18:31
Arrive Sainte Genevieve County
Thu, Oct 15, 8:11 PM CDT
Route Timing
01h 39m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:40 AM to 11:40 AM CDT

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

Leave by
3:10 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
Pevely
MO

City in Jefferson County, Missouri, United States

From Saint Charles
39.6 mi
00h 49m
To Sainte Genevieve County
39.6 mi
00h 49m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
This Afternoon

Chance Showers And Thunderstorms

Starts
Thu, Oct 15 2:00 PM CDT
Wind
10 mph SW
Destination
87°F
Thursday

Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms

Starts
Thu, Oct 15 6:00 AM CDT
Wind
2 to 10 mph S

Driving Route Map

The map below follows the saved road route between Saint Charles and Sainte Genevieve County.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Charles and Sainte Genevieve County.

  1. 1

    Start on North Second Street

    949 ft · 38 sec · North Second Street

  2. 2

    Turn right onto Jefferson Street

    1093 ft · 45 sec · Jefferson Street

  3. 3

    Turn left onto South Fifth Street

    1.1 mi · 3 min · South Fifth Street

  4. 4

    Take the ramp slight left toward I 70 East

    1019 ft · 14 sec

  5. 5

    Merge slight left

    2.7 mi · 3 min

  6. 6

    Take the exit slight right toward I 270: Chicago, Memphis

    872 ft · 12 sec

  7. 7

    Keep slight right to continue on I 270 South: Memphis

    2339 ft · 33 sec

  8. 8

    Continue on I 270 South: Memphis

    723 ft · 10 sec

  9. 9

    Merge slight left

    19 mi · 24 min

  10. 10

    Take the exit slight right toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road

    1911 ft · 27 sec

  11. 11

    Keep slight right to continue on I 55 South: Memphis

    2031 ft · 44 sec

  12. 12

    Merge slight left onto Rosa Parks Highway

    1.5 mi · 2 min · Rosa Parks Highway

  13. 13

    Continue on Officer Thomas G. Smith, Jr. Memorial Highway

    1.8 mi · 2 min · Officer Thomas G. Smith, Jr. Memorial Highway

  14. 14

    Continue on Police Officer Steven Jarvis Memorial Highway

    42.6 mi · 46 min · Police Officer Steven Jarvis Memorial Highway

  15. 15

    Take the exit slight right toward MO 32, MO A, MO B: Sainte Genevieve, Farmington

    796 ft · 17 sec

  16. 16

    Turn sharp right

    6.7 mi · 10 min

  17. 17

    Turn left onto River Aux Vases Church Road

    1152 ft · 51 sec · River Aux Vases Church Road

  18. 18

    Turn left onto River Aux Vases Church Road

    1.1 km · 3 min · River Aux Vases Church Road

  19. 19

    Turn left

    3020 ft · 2 min

  20. 20

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Saint Charles and Sainte Genevieve County.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
20 steps
6 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
25.3 / 100 mi
Decision points by distance
Main Roads
Police Officer Steven Jarvis Memorial Highway
42.6 mi · 54%
I 270 South
19.6 mi · 25%
I 70 East
2.85 mi · 4%
Rosa Parks Highway
1.51 mi · 2%
South Fifth Street
1.1 mi · 1%
River Aux Vases Church Road
0.93 mi · 1%
Longest Stretch

Police Officer Steven Jarvis Memorial Highway

Continue on Police Officer Steven Jarvis Memorial Highway

42.6 mi · 00h 46m

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
01h 39m
Day trip friendly
Same-Day Return
03h 20m
Round-trip wheel time
Road vs Air
+15.8 mi
63.4 mi direct line
Halfway Stop
Pevely
00h 49m from Saint Charles
Leave By
3:10 PM CDT
Morning start is best
Weather Watch

Chance Showers And Thunderstorms leaving Saint Charles and Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms near Sainte Genevieve County.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Charles to Sainte Genevieve County?

The road trip is about 79.2 miles (127.5 km) and usually takes 01h 39m 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?

Pevely is a useful midpoint, sitting about 39.6 miles from Saint Charles and 39.6 miles from Sainte Genevieve County.

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

The direct path is about 63.4 miles (102 km), while the road route adds roughly 15.8 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 CDT. If you want a more comfortable same-day return, try to leave by 3:10 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.09 one way or $22.18 round trip. Estimated CO2 is about 24.8 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms around Saint Charles and Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms near Sainte Genevieve County.

Stop Ideas Near Pevely

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

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

RAIL

Kirkwood

33 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

41 mi away
551 South 16th St.
RAIL

Washington

62 mi away
301 West Front St.
RAIL

Alton

73 mi away
3400 College Ave.

Flight Path Map

This map shows the direct air route between Saint Charles and Sainte Genevieve County. Straight-line distance: 63.4 mi (102.03 km).

Saint Charles

#1 Saint Charles

A city in St.

Population71,761
Coordinates38.7839400, -90.4812300
Altitude147
CountryUnited States
Sainte Genevieve County

#2 Sainte Genevieve County

County in Missouri, United States

Population17,919
Coordinates37.8944000, -90.1944200
Altitude218
CountryUnited States
Start: Saint Charles (-90.48123, 38.78394)
End: Sainte Genevieve County (-90.19442, 37.8944)

Estimated Travel Time

Distance: 127 km by road

SpeedTime
30 mph (48.3 km/h)02h 38m
40 mph (64.37 km/h)01h 58m
50 mph (80.47 km/h)01h 35m
60 mph (96.56 km/h)01h 19m
70 mph (112.65 km/h)01h 07m
80 mph (129 km/h)00h 59m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.79 gal
10.58 L · about $11.09
Round trip
$22.18
5.58 gal · 21.16 L
Estimated CO2
24.8 kg one way
Round trip: 49.6 kg / 109 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.98 $11.09 $22.18
Mid-grade $4.34 $12.11 $24.22
Premium $4.71 $13.13 $26.27
Diesel $5.99 $16.71 $33.41

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 · Oct 15, 2026

There is no time difference between Saint Charles and Sainte Genevieve County. The current time is 18:31:33.

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.