How far is Chaffee, MO from Saint Peters, MO?
The driving distance from Chaffee, MO to Saint Peters, MO is about 146 miles (235 km), with a travel time of about 02h 15m by car.
- The straight-line flight distance is about 123.8 miles (199.3 km).
- For a round trip, plan for roughly 04h 30m 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 15m.
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 Sainte Genevieve County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Chaffee and Saint Peters.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chaffee and Saint Peters.
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1
Start on North Main Street
10 m · 3 sec · North Main Street
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2
Turn right onto West Yoakum Avenue
1214 ft · 25 sec · West Yoakum Avenue
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3
Enter the roundabout and take exit 2 toward West Yoakum Avenue
122 m · 9 sec · West Yoakum Avenue
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4
Exit the roundabout onto West Yoakum Avenue
2371 ft · 48 sec · West Yoakum Avenue
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5
Turn right
2.8 mi · 5 min
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6
Enter the roundabout and take exit 1 toward Interstate 55
35 m · 2 sec
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7
Exit the roundabout onto Interstate 55
5.7 mi · 8 min
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8
Take the ramp left toward I 55 North, US 61 North: Cape Girardeau
1122 ft · 28 sec
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9
Merge slight left
1.4 mi · 1 min
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10
Keep slight left
101.5 mi · 1 hr 49 min
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11
Continue on Rosa Parks Highway
1.3 mi · 2 min · Rosa Parks Highway
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12
Take the exit slight right toward I 270 West, I 255 East: Kansas City, Chicago
1279 ft · 27 sec
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13
Keep slight left to continue on I 270 West: Kansas City
118 m · 8 sec
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14
Continue on I 270 West
1.2 km · 1 min
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15
Merge slight left
18.1 mi · 23 min
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16
Take the exit slight right toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
1 mi · 1 min
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17
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
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18
Continue on I 70 West: Kansas City
1 km · 57 sec
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19
Merge slight left
10.5 mi · 13 min
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Chaffee 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.
I 55 North
Keep slight left
102 mi · 01h 49m
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.
Mostly Sunny leaving Chaffee and Mostly Sunny near Saint Peters.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Chaffee to Saint Peters?
The road trip is about 146 miles (235 km) and usually takes 02h 15m 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?
Bloomsdale is a useful midpoint, sitting about 72.7 miles from Chaffee and 73.3 miles from Saint Peters.
How much longer is the road route than the straight-line distance?
The direct path is about 123.8 miles (199.3 km), while the road route adds roughly 22.2 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 2:00 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.42 one way or $38.84 round trip. Estimated CO2 is about 45.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Chaffee and Mostly Sunny near Saint Peters.
Stop Ideas Near Bloomsdale
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 Bloomsdale.
Kirkwood
Gateway Transportation Center
Du Quoin
Carbondale station
Flight Path Map
This map shows the direct air route between Chaffee and Saint Peters. Straight-line distance: 123.81 mi (199.26 km).
#1 Chaffee
City in Scott County, Missouri, United States
| Population | 2,901 |
| Coordinates | 37.1800500, -89.6550900 |
| Altitude | 104 |
| 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: 235 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 51m |
| 40 mph (64.37 km/h) | 03h 39m |
| 50 mph (80.47 km/h) | 02h 55m |
| 60 mph (96.56 km/h) | 02h 26m |
| 70 mph (112.65 km/h) | 02h 05m |
| 80 mph (129 km/h) | 01h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.42 | $38.84 |
| Mid-grade | $4.25 | $21.90 | $43.81 |
| Premium | $4.65 | $23.97 | $47.94 |
| Diesel | $5.30 | $27.32 | $54.63 |
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 04, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.