How far is Weston, MO from Saint Peters, MO?
The driving distance from Weston, MO to Saint Peters, MO is about 256.2 miles (412.3 km), with a travel time of about 03h 57m by car.
- The straight-line flight distance is about 233 miles (375 km).
- For a round trip, plan for roughly 07h 55m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 57m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Cooper County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Weston and Saint Peters.
Turn-by-Turn Driving Directions
Step-by-step road directions between Weston and Saint Peters.
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1
Start on Thomas Street
10 m · 4 sec · Thomas Street
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2
Turn right onto Main Street
1037 ft · 39 sec · Main Street
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3
Turn right onto Walnut Street
1.2 km · 2 min · Walnut Street
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4
Continue on JJ Highway
1.5 mi · 2 min · JJ Highway
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5
Continue on 273 Highway
4 mi · 6 min · 273 Highway
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6
At the end of the road, turn left onto 273 Highway
1 km · 1 min · 273 Highway
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7
Take the ramp right toward I 29 South, US 71 South: Kansas City
1483 ft · 36 sec
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8
Merge slight right
3.8 mi · 4 min
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9
Merge slight right
2.2 mi · 2 min
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10
Keep slight right to continue on I 435 East: Saint Louis
28 mi · 31 min
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11
Keep slight right to continue on I 70, US 24 West, US 40: Saint Louis, Kansas City, Sports Complex
1500 ft · 23 sec
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12
Keep slight left to continue on I 70 East: Saint Louis
1.2 mi · 2 min
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13
Keep slight left to continue on I 70 East: Saint Louis
143 m · 12 sec
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14
Merge slight left onto George Brett Super Highway
2213 ft · 29 sec · George Brett Super Highway
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15
Continue on Truman/Eisenhower Presidential Highway
2.9 mi · 3 min · Truman/Eisenhower Presidential Highway
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16
Continue on Clifton J. Scott Memorial Highway
1.8 mi · 2 min · Clifton J. Scott Memorial Highway
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17
Continue on Truman/Eisenhower Presidential Highway
2.6 mi · 3 min · Truman/Eisenhower Presidential Highway
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18
Continue on Dwight D. Eisenhower Highway
52.5 mi · 57 min · Dwight D. Eisenhower Highway
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19
Continue on U.S. Submarine Veterans' Memorial Highway
32 mi · 34 min · U.S. Submarine Veterans' Memorial Highway
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20
Keep slight left to continue on U.S. Submarine Veterans' Memorial Highway
22.4 mi · 24 min · U.S. Submarine Veterans' Memorial Highway
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21
Continue on Dwight D. Eisenhower Highway
1.8 mi · 2 min · Dwight D. Eisenhower Highway
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22
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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23
Continue on Sheriff Roger I. Wilson Memorial Highway
1.9 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway
-
24
Continue on Dwight D. Eisenhower Highway
92.8 mi · 1 hr 50 min · Dwight D. Eisenhower Highway
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25
Take the exit slight right toward Mid Rivers Mall Drive
889 ft · 19 sec
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26
Keep slight left to continue on Mid Rivers Mall Drive
63 m · 4 sec
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27
Turn straight onto Mid Rivers Mall Drive
61 m · 6 sec · Mid Rivers Mall Drive
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28
Take the ramp straight toward I 70 West: Wentzville
1419 ft · 20 sec
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29
Merge slight left
146 m · 7 sec
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30
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Weston 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 longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Weston and Slight Chance Rain Showers then Slight 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 Weston to Saint Peters?
The road trip is about 256.2 miles (412.3 km) and usually takes 03h 57m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Pilot Grove is a useful midpoint, sitting about 127.9 miles from Weston and 128.3 miles from Saint Peters.
How much longer is the road route than the straight-line distance?
The direct path is about 233 miles (375 km), while the road route adds roughly 23.2 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:04 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.09 one way or $68.18 round trip. Estimated CO2 is about 80.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Weston and Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms near Saint Peters.
Stop Ideas Near Pilot Grove
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 Pilot Grove.
Sedalia
Jefferson City
Warrensburg
Flight Path Map
This map shows the direct air route between Weston and Saint Peters. Straight-line distance: 233.04 mi (375.04 km).
#1 Weston
City in Missouri
| Population | 1,834 |
| Coordinates | 39.4111100, -94.9016300 |
| Altitude | 243 |
| 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: 412 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 32m |
| 40 mph (64.37 km/h) | 06h 24m |
| 50 mph (80.47 km/h) | 05h 07m |
| 60 mph (96.56 km/h) | 04h 16m |
| 70 mph (112.65 km/h) | 03h 39m |
| 80 mph (129 km/h) | 03h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $34.09 | $68.18 |
| Mid-grade | $4.25 | $38.45 | $76.89 |
| Premium | $4.65 | $42.07 | $84.14 |
| Diesel | $5.30 | $47.95 | $95.90 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.