How far is Saint Peters, MO from Slater, MO?
The driving distance from Saint Peters, MO to Slater, MO is about 148.3 miles (238.6 km), with a travel time of about 03h 07m by car.
- The straight-line flight distance is about 134.3 miles (216.1 km).
- For a round trip, plan for roughly 06h 14m 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 07m.
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.
Human settlement in Callaway County, Missouri, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Saint Peters and Slater.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Peters and Slater.
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1
Start on the route
100.4 mi · 1 hr 59 min
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2
Take the exit slight right toward MO UU, US 40, MO 240: Fayette
9 mi · 12 min
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3
Turn right
3139 ft · 49 sec
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4
Keep slight right
24.8 mi · 36 min
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5
At the end of the road, turn right
13.2 mi · 19 min
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6
Turn right onto South Broadway Street
21 m · 2 sec · South Broadway Street
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7
Continue on South Broadway Street
940 ft · 24 sec · South Broadway Street
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8
Turn left onto West Maple Street
143 m · 18 sec · West Maple Street
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9
Turn left onto Porter Street
22 m · 3 sec · Porter Street
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10
Arrive at your destination
0 m · 1 sec · Porter Street
Car Route Details
A richer read on the saved driving route between Saint Peters and Slater.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Start on the route
100 mi · 01h 59m
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 Saint Peters and Sunny near Slater.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Peters to Slater?
The road trip is about 148.3 miles (238.6 km) and usually takes 03h 07m 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?
Kingdom City is a useful midpoint, sitting about 74 miles from Saint Peters and 74.3 miles from Slater.
How much longer is the road route than the straight-line distance?
The direct path is about 134.3 miles (216.1 km), while the road route adds roughly 14 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 10:46 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.72 one way or $39.44 round trip. Estimated CO2 is about 46.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Peters and Sunny near Slater.
Stop Ideas Near Kingdom 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 Kingdom City.
Jefferson City
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Sedalia
Flight Path Map
This map shows the direct air route between Saint Peters and Slater. Straight-line distance: 134.27 mi (216.09 km).
#1 Saint Peters
The most populous city in St.
| Population | 58,043 |
| Coordinates | 38.8003300, -90.6265100 |
| Altitude | 134 |
| Country | United States |
#2 Slater
City in Saline County, Missouri, United States
| Population | 1,765 |
| Coordinates | 39.2180800, -93.0690900 |
| Altitude | 259 |
| Country | United States |
End: Slater (-93.06909, 39.21808)
Estimated Travel Time
Distance: 239 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 56m |
| 40 mph (64.37 km/h) | 03h 42m |
| 50 mph (80.47 km/h) | 02h 57m |
| 60 mph (96.56 km/h) | 02h 28m |
| 70 mph (112.65 km/h) | 02h 07m |
| 80 mph (129 km/h) | 01h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.72 | $39.44 |
| Mid-grade | $4.25 | $22.24 | $44.49 |
| Premium | $4.65 | $24.34 | $48.68 |
| Diesel | $5.30 | $27.74 | $55.48 |
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 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.