How far is Sunset Hills, MO from Saint Charles, MO?

The driving distance from Sunset Hills, MO to Saint Charles, MO is about 21.6 miles (34.8 km), with a travel time of about 00h 27m by car.

  • The straight-line flight distance is about 17.4 miles (28 km).
  • For a round trip, plan for roughly 00h 54m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
21.65 mi
00h 27m
Flight
17.39 mi
27.99 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Sunset Hills.

Flight Distance

Direct air line
17.39 mi
Kilometers
27.99 km
Flight Time
00h 02m

Driving Distance

Road route
21.65 mi
Kilometers
34.84 km
Drive Time
00h 27m

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 27m.

Arrival Snapshot
Arrive in Saint Charles
Sun, May 31, 7:55 AM CDT
Return by in Sunset Hills
Sun, May 31, 8:22 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sunset Hills
2026-05-31T07:28
Arrive Saint Charles
Sun, May 31, 7:55 AM CDT
Route Timing
00h 27m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CDT
Leave when it suits your day
Arrive between
7:27 AM to 7:27 PM CDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:36 PM CDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Sunset Hills
10:00 PM CDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Creve Coeur
MO

City in St.

From Sunset Hills
10.7 mi
00h 13m
To Saint Charles
10.9 mi
00h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Sunday

Scattered Showers And Thunderstorms

Starts
Sun, May 31 6:00 AM CDT
Wind
5 mph SE
Destination
83°F
Sunday

Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms

Starts
Sun, May 31 6:00 AM CDT
Wind
7 mph SE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Sunset Hills and Saint Charles.

  1. 1

    Start on Robyn Hills Drive

    631 ft · 30 sec · Robyn Hills Drive

  2. 2

    At the end of the road, turn right onto Robyn Road

    1.3 km · 2 min · Robyn Road

  3. 3

    Continue on Rott Road

    1.3 km · 2 min · Rott Road

  4. 4

    Turn left onto South Geyer Road

    607 ft · 28 sec · South Geyer Road

  5. 5

    Take the ramp left toward I 44 West, I 270, US 50 West: Tulsa, Chicago, Memphis

    1898 ft · 40 sec

  6. 6

    Keep slight right to continue on I 270: Memphis, Chicago

    749 ft · 16 sec

  7. 7

    Keep slight right to continue on I 270 North: Chicago

    1937 ft · 38 sec

  8. 8

    Merge slight left

    12.6 mi · 16 min

  9. 9

    Take the exit slight right toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport

    1 mi · 1 min

  10. 10

    Keep slight left to continue on I 70 West: Kansas City

    645 ft · 11 sec

  11. 11

    Continue on I 70 West: Kansas City

    1 km · 57 sec

  12. 12

    Merge slight left

    2.7 mi · 3 min

  13. 13

    Take the exit slight right toward I 70 Business: Fifth Street

    841 ft · 18 sec

  14. 14

    Keep slight right to continue on I 70 Business: Fifth Street North, Bass Pro Drive, Ameristar Boulevard

    71 m · 5 sec

  15. 15

    Turn slight right onto South Fifth Street

    1.4 km · 2 min · South Fifth Street

  16. 16

    Turn right onto First Capitol Drive

    1079 ft · 42 sec · First Capitol Drive

  17. 17

    Turn left onto South Second Street

    1551 ft · 53 sec · South Second Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · North Second Street

Car Route Details

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

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
18 steps
5 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
83.3 / 100 mi
Decision points by distance
Main Roads
I 270 North
12.9 mi · 60%
I 70 West
3.48 mi · 16%
I 70
1.05 mi · 5%
South Fifth Street
0.87 mi · 4%
Rott Road
0.84 mi · 4%
Robyn Road
0.81 mi · 4%
Longest Stretch

I 270 North

Merge slight left

12.6 mi · 00h 16m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 27m
Quick drive
Same-Day Return
00h 54m
Round-trip wheel time
Road vs Air
+4.2 mi
17.4 mi direct line
Halfway Stop
Creve Coeur
00h 13m from Sunset Hills
Leave By
7:36 PM CDT
Flexible departure
Weather Watch

Scattered Showers And Thunderstorms leaving Sunset Hills and Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms near Saint Charles.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sunset Hills to Saint Charles?

The road trip is about 21.6 miles (34.8 km) and usually takes 00h 27m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Creve Coeur is a useful midpoint, sitting about 10.7 miles from Sunset Hills and 10.9 miles from Saint Charles.

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

The direct path is about 17.4 miles (28 km), while the road route adds roughly 4.2 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:36 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.87 one way or $5.73 round trip. Estimated CO2 is about 6.8 kg one way.

What should you check before leaving?

Before you leave, expect Scattered Showers And Thunderstorms around Sunset Hills and Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms near Saint Charles.

Stop Ideas Near Creve Coeur

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

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

RAIL

Kirkwood

9 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

19 mi away
551 South 16th St.
RAIL

Alton

37 mi away
3400 College Ave.
RAIL

Washington

52 mi away
301 West Front St.

Flight Path Map

This map shows the direct air route between Sunset Hills and Saint Charles. Straight-line distance: 17.39 mi (27.99 km).

Sunset Hills

#1 Sunset Hills

City in Saint Louis County, Missouri, United States

Population8,448
Coordinates38.5389400, -90.4073400
Altitude188
CountryUnited States
Saint Charles

#2 Saint Charles

A city in St.

Population71,761
Coordinates38.7839400, -90.4812300
Altitude147
CountryUnited States
Start: Robyn Hills Dr (-90.407559, 38.538944)
End: North Second Street (-90.481269, 38.783952)

Estimated Travel Time

Distance: 35 km by road

SpeedTime
30 mph (48.3 km/h)00h 43m
40 mph (64.37 km/h)00h 32m
50 mph (80.47 km/h)00h 25m
60 mph (96.56 km/h)00h 21m
70 mph (112.65 km/h)00h 18m
80 mph (129 km/h)00h 16m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.76 gal
2.89 L · about $2.87
Round trip
$5.73
1.52 gal · 5.78 L
Estimated CO2
6.8 kg one way
Round trip: 13.5 kg / 30 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $2.87 $5.73
Mid-grade $4.25 $3.23 $6.46
Premium $4.65 $3.54 $7.07
Diesel $5.30 $4.03 $8.06

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 · May 31, 2026

There is no time difference between Sunset Hills and Saint Charles. The current time is 07:28:30.

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.