How far is Mexico, MO from Saint Charles, MO?
The driving distance from Mexico, MO to Saint Charles, MO is about 102.2 miles (164.4 km), with a travel time of about 01h 40m by car.
- The straight-line flight distance is about 79.8 miles (128.5 km).
- For a round trip, plan for roughly 03h 20m 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 01h 40m.
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.
Human settlement in Montgomery County, Missouri, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Scattered Showers And Thunderstorms
Showers And Thunderstorms then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Mexico and Saint Charles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mexico and Saint Charles.
-
1
Start on South Jefferson Street
51 m · 8 sec · South Jefferson Street
-
2
Turn right onto High Street
677 ft · 34 sec · High Street
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3
Turn left onto South Clark Street
3.6 mi · 6 min · South Clark Street
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4
Take the ramp right toward US 54 West: Jefferson City
1180 ft · 32 sec
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5
Merge slight left
13.5 mi · 15 min
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6
Take the exit left toward I 70 East, US 40 East: Saint Louis
1318 ft · 18 sec
-
7
Merge slight left onto Dwight D. Eisenhower Highway
79.9 mi · 1 hr 33 min · Dwight D. Eisenhower Highway
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8
Take the exit slight right toward I 70 Business, MO 94: First Capitol Drive, Lewis and Clark Trail
653 ft · 14 sec
-
9
Keep slight left to continue on I 70 Business, MO 94 East: First Capitol Drive, Lindenwood University, SSM Health Saint Joseph Hospital
596 ft · 15 sec
-
10
Turn straight onto First Capitol Drive
1.5 km · 2 min · First Capitol Drive
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11
Turn slight right onto MO 94
1.4 km · 2 min
-
12
Turn left onto South Second Street
1551 ft · 53 sec · South Second Street
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13
Arrive at your destination
0 m · 1 sec · North Second Street
Car Route Details
A richer read on the saved driving route between Mexico and Saint Charles.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D. Eisenhower Highway
Merge slight left onto Dwight D. Eisenhower Highway
79.9 mi · 01h 33m
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.
Scattered Showers And Thunderstorms leaving Mexico and Showers And Thunderstorms then Chance 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 Mexico to Saint Charles?
The road trip is about 102.2 miles (164.4 km) and usually takes 01h 40m 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?
High Hill is a useful midpoint, sitting about 49.9 miles from Mexico and 52.3 miles from Saint Charles.
How much longer is the road route than the straight-line distance?
The direct path is about 79.8 miles (128.5 km), while the road route adds roughly 22.4 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 $13.61 one way or $27.23 round trip. Estimated CO2 is about 32.1 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Showers And Thunderstorms around Mexico and Showers And Thunderstorms then Chance Showers And Thunderstorms near Saint Charles.
Stop Ideas Near High Hill
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Warrenton City Animal Control
Warrenton City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to High Hill.
Hermann
Washington
Jefferson City
Kirkwood
Flight Path Map
This map shows the direct air route between Mexico and Saint Charles. Straight-line distance: 79.87 mi (128.54 km).
#1 Mexico
City in and county seat of Audrain County, Missouri
| Population | 11,530 |
| Coordinates | 39.1697600, -91.8829500 |
| Altitude | 244 |
| Country | United States |
#2 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| Country | United States |
End: North Second Street (-90.481269, 38.783952)
Estimated Travel Time
Distance: 164 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 24m |
| 40 mph (64.37 km/h) | 02h 33m |
| 50 mph (80.47 km/h) | 02h 02m |
| 60 mph (96.56 km/h) | 01h 42m |
| 70 mph (112.65 km/h) | 01h 27m |
| 80 mph (129 km/h) | 01h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.61 | $27.23 |
| Mid-grade | $4.25 | $15.35 | $30.71 |
| Premium | $4.65 | $16.80 | $33.60 |
| Diesel | $5.30 | $19.15 | $38.29 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.