How far is Saint Charles, MO from Boonville, MO?
The driving distance from Saint Charles, MO to Boonville, MO is about 127.9 miles (205.9 km), with a travel time of about 02h 36m by car.
- The straight-line flight distance is about 122.3 miles (196.9 km).
- For a round trip, plan for roughly 05h 12m 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 02h 36m.
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 Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Saint Charles and Boonville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles and Boonville.
-
1
Start on North Second Street
1551 ft · 1 min · North Second Street
-
2
Turn right onto First Capitol Drive
1.4 km · 2 min · First Capitol Drive
-
3
Turn left onto First Capitol Drive
1.5 km · 2 min · First Capitol Drive
-
4
Take the ramp slight right toward I 70 West
1018 ft · 14 sec
-
5
Merge slight left
121.6 mi · 2 hr 23 min
-
6
Take the exit slight right toward I 70 Business, MO 87: Boonville, Prairie Home
941 ft · 23 sec
-
7
Turn right
3.4 mi · 6 min
-
8
At the end of the road, turn right onto Main Street
2672 ft · 2 min · Main Street
-
9
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Saint Charles and Boonville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 70 West
Merge slight left
122 mi · 02h 23m
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.
Showers And Thunderstorms then Chance Showers And Thunderstorms leaving Saint Charles and Chance Showers And Thunderstorms near Boonville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Charles to Boonville?
The road trip is about 127.9 miles (205.9 km) and usually takes 02h 36m 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?
Montgomery City is a useful midpoint, sitting about 63.8 miles from Saint Charles and 64.1 miles from Boonville.
How much longer is the road route than the straight-line distance?
The direct path is about 122.3 miles (196.9 km), while the road route adds roughly 5.6 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 1:18 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.01 one way or $34.01 round trip. Estimated CO2 is about 40.1 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms then Chance Showers And Thunderstorms around Saint Charles and Chance Showers And Thunderstorms near Boonville.
Stop Ideas Near Montgomery City
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 Montgomery City.
Hermann
Washington
Jefferson City
Kirkwood
Flight Path Map
This map shows the direct air route between Saint Charles and Boonville. Straight-line distance: 122.37 mi (196.93 km).
#1 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| Country | United States |
#2 Boonville
City in Cooper County, Missouri, USA
| Population | 7,878 |
| Coordinates | 38.9736400, -92.7432400 |
| Altitude | 204 |
| Country | United States |
End: Boonville (-92.74324, 38.97364)
Estimated Travel Time
Distance: 206 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 15m |
| 40 mph (64.37 km/h) | 03h 11m |
| 50 mph (80.47 km/h) | 02h 33m |
| 60 mph (96.56 km/h) | 02h 07m |
| 70 mph (112.65 km/h) | 01h 49m |
| 80 mph (129 km/h) | 01h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $17.01 | $34.01 |
| Mid-grade | $4.25 | $19.18 | $38.36 |
| Premium | $4.65 | $20.99 | $41.98 |
| Diesel | $5.30 | $23.92 | $47.84 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.