How far is Boonville, MO from Saint Peters, MO?
The driving distance from Boonville, MO to Saint Peters, MO is about 120 miles (193.2 km), with a travel time of about 01h 52m by car.
- The straight-line flight distance is about 114.5 miles (184.2 km).
- For a round trip, plan for roughly 03h 45m 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 52m.
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.
Chance Showers And Thunderstorms
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Boonville and Saint Peters.
Turn-by-Turn Driving Directions
Step-by-step road directions between Boonville and Saint Peters.
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1
Start on Main Street
2672 ft · 2 min · Main Street
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2
Turn left onto Bingham Road
3.5 mi · 6 min · Bingham Road
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3
Take the ramp left toward I 70 East: Columbia
879 ft · 21 sec
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4
Merge slight left onto U.S. Submarine Veterans' Memorial Highway
17.3 mi · 19 min · U.S. Submarine Veterans' Memorial Highway
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5
Continue on Dwight D. Eisenhower Highway
1.8 mi · 2 min · Dwight D. Eisenhower Highway
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6
Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway
1.6 mi · 2 min · Highway Patrol Sgt. Benjamin Booth Memorial Highway
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7
Continue on Sheriff Roger I. Wilson Memorial Highway
1.9 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway
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8
Continue on Dwight D. Eisenhower Highway
92.8 mi · 1 hr 50 min · Dwight D. Eisenhower Highway
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9
Take the exit slight right toward Mid Rivers Mall Drive
889 ft · 19 sec
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10
Keep slight left to continue on Mid Rivers Mall Drive
63 m · 4 sec
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11
Turn straight onto Mid Rivers Mall Drive
61 m · 6 sec · Mid Rivers Mall Drive
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12
Take the ramp straight toward I 70 West: Wentzville
1419 ft · 20 sec
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13
Merge slight left
146 m · 7 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Boonville and Saint Peters.
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
Continue on Dwight D. Eisenhower Highway
92.8 mi · 01h 50m
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.
Chance Showers And Thunderstorms leaving Boonville and Showers And Thunderstorms Likely then Chance Showers And Thunderstorms near Saint Peters.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Boonville to Saint Peters?
The road trip is about 120 miles (193.2 km) and usually takes 01h 52m 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 60 miles from Boonville and 60.1 miles from Saint Peters.
How much longer is the road route than the straight-line distance?
The direct path is about 114.5 miles (184.2 km), while the road route adds roughly 5.5 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 2:44 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.95 one way or $31.90 round trip. Estimated CO2 is about 37.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Boonville and Showers And Thunderstorms Likely then Chance Showers And Thunderstorms near Saint Peters.
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 Boonville and Saint Peters. Straight-line distance: 114.46 mi (184.21 km).
#1 Boonville
City in Cooper County, Missouri, USA
| Population | 7,878 |
| Coordinates | 38.9736400, -92.7432400 |
| Altitude | 204 |
| Country | United States |
#2 Saint Peters
The most populous city in St.
| Population | 58,043 |
| Coordinates | 38.8003300, -90.6265100 |
| Altitude | 134 |
| Country | United States |
End: I 70 West (-90.626511, 38.800311)
Estimated Travel Time
Distance: 193 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 59m |
| 40 mph (64.37 km/h) | 03h 00m |
| 50 mph (80.47 km/h) | 02h 24m |
| 60 mph (96.56 km/h) | 02h 00m |
| 70 mph (112.65 km/h) | 01h 42m |
| 80 mph (129 km/h) | 01h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.95 | $31.90 |
| Mid-grade | $4.25 | $17.99 | $35.98 |
| Premium | $4.65 | $19.69 | $39.37 |
| Diesel | $5.30 | $22.44 | $44.87 |
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.