How far is Saint Charles, MO from Gray Summit, MO?
The driving distance from Saint Charles, MO to Gray Summit, MO is about 40.1 miles (64.6 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 27.2 miles (43.8 km).
- For a round trip, plan for roughly 01h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 54m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Partly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Saint Charles and Gray Summit.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles and Gray Summit.
-
1
Start on North Second Street
949 ft · 38 sec · North Second Street
-
2
Turn right onto Jefferson Street
1093 ft · 45 sec · Jefferson Street
-
3
Turn left onto South Fifth Street
1.1 mi · 3 min · South Fifth Street
-
4
Take the ramp slight left toward I 70 East
1019 ft · 14 sec
-
5
Merge slight left
2.7 mi · 3 min
-
6
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
-
7
Keep slight right to continue on I 270 South: Memphis
2339 ft · 33 sec
-
8
Continue on I 270 South: Memphis
723 ft · 10 sec
-
9
Merge slight left
10.9 mi · 14 min
-
10
Take the exit slight right toward Dougherty Ferry Road
1331 ft · 28 sec
-
11
Turn right onto Dougherty Ferry Road
2.5 mi · 5 min · Dougherty Ferry Road
-
12
Continue on Forest Avenue
1.6 km · 2 min · Forest Avenue
-
13
Turn left
1.2 km · 1 min
-
14
Take the exit slight right
32 m · 3 sec
-
15
Turn right onto North Highway Drive
748 ft · 14 sec · North Highway Drive
-
16
Take the ramp straight toward I 44 West, US 50 West: Rolla
936 ft · 13 sec
-
17
Merge slight left onto Henry Shaw Ozark Corridor
18.6 mi · 21 min · Henry Shaw Ozark Corridor
-
18
Take the exit slight right toward I 44 Business, MO 100 East: Gray Summit
1150 ft · 24 sec
-
19
Turn right onto Manchester Road
2703 ft · 60 sec · Manchester Road
-
20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Charles and Gray Summit.
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.
Henry Shaw Ozark Corridor
Merge slight left onto Henry Shaw Ozark Corridor
18.6 mi · 00h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Saint Charles and Partly Sunny then Chance Showers And Thunderstorms near Gray Summit.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Charles to Gray Summit?
The road trip is about 40.1 miles (64.6 km) and usually takes 00h 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?
Valley Park is a useful midpoint, sitting about 20.1 miles from Saint Charles and 20.1 miles from Gray Summit.
How much longer is the road route than the straight-line distance?
The direct path is about 27.2 miles (43.8 km), while the road route adds roughly 12.9 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 CDT. If you want a more comfortable same-day return, try to leave by 4:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.35 one way or $10.71 round trip. Estimated CO2 is about 12.6 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Saint Charles and Partly Sunny then Chance Showers And Thunderstorms near Gray Summit.
Stop Ideas Near Valley Park
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Valley Park.
Kirkwood
Gateway Transportation Center
Washington
Alton
Flight Path Map
This map shows the direct air route between Saint Charles and Gray Summit. Straight-line distance: 27.22 mi (43.81 km).
#1 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| Country | United States |
#2 Gray Summit
Census designated place
| Population | 2,701 |
| Coordinates | 38.4897800, -90.8168000 |
| Altitude | 203 |
| Country | United States |
End: Gray Summit (-90.8168, 38.48978)
Estimated Travel Time
Distance: 65 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 20m |
| 40 mph (64.37 km/h) | 01h 00m |
| 50 mph (80.47 km/h) | 00h 48m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.35 | $10.71 |
| Mid-grade | $4.25 | $6.04 | $12.08 |
| Premium | $4.65 | $6.61 | $13.22 |
| Diesel | $5.30 | $7.53 | $15.06 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.