How far is St. Louis, MO from Greenfield, MO?
The driving distance from St. Louis, MO to Greenfield, MO is about 253.1 miles (407.3 km), with a travel time of about 04h 52m by car.
- The straight-line flight distance is about 215.2 miles (346.4 km).
- For a round trip, plan for roughly 09h 44m 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 04h 52m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Pulaski County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between St. Louis and Greenfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Greenfield.
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1
Start on Market Street
1.6 km · 2 min · Market Street
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2
Turn left onto South Jefferson Avenue
1.2 mi · 3 min · South Jefferson Avenue
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3
Take the ramp straight toward I 44 West
1051 ft · 17 sec
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4
Merge slight left onto Officer David Haynes Memorial Highway
2.3 mi · 3 min · Officer David Haynes Memorial Highway
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5
Continue on Officer Michael Barwick Memorial Highway
3.5 mi · 4 min · Officer Michael Barwick Memorial Highway
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6
Continue on Police Officer Robert Stanze Memorial Highway
2.7 mi · 3 min · Police Officer Robert Stanze Memorial Highway
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7
Continue on Police Officer Ernest M. Brockman Sr. Memorial Highway
3.5 mi · 4 min · Police Officer Ernest M. Brockman Sr. Memorial Highway
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8
Continue on Henry Shaw Ozark Corridor
201.4 mi · 3 hr 40 min · Henry Shaw Ozark Corridor
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9
Take the exit slight right toward US 160: West Bypass, Willard
1379 ft · 34 sec
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10
Turn right
3.5 mi · 5 min
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11
Enter the roundabout and take exit 2 toward the route
41 m · 6 sec
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12
Exit the roundabout
1.3 mi · 2 min
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13
Enter the roundabout and take exit 2 toward the route
41 m · 5 sec
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14
Exit the roundabout
1 km · 55 sec
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15
Enter the roundabout and take exit 2 toward Olympian Boulevard
40 m · 4 sec · Olympian Boulevard
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16
Exit the roundabout onto Olympian Boulevard
17 mi · 23 min · Olympian Boulevard
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17
Turn straight
14 mi · 19 min
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18
Turn left onto Lilly Street
1115 ft · 54 sec · Lilly Street
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19
At the end of the road, turn left onto Talbutt Street
56 m · 10 sec · Talbutt Street
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20
Turn right onto North Allison Avenue
1394 ft · 1 min · North Allison Avenue
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21
Arrive at your destination
0 m · 1 sec · South Allison Avenue
Car Route Details
A richer read on the saved driving route between St. Louis and Greenfield.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Henry Shaw Ozark Corridor
Continue on Henry Shaw Ozark Corridor
201 mi · 03h 40m
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.
Mostly Sunny leaving St. Louis and Partly Sunny then Slight Chance Showers And Thunderstorms near Greenfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Greenfield?
The road trip is about 253.1 miles (407.3 km) and usually takes 04h 52m 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?
Saint Robert is a useful midpoint, sitting about 126.4 miles from St. Louis and 126.6 miles from Greenfield.
How much longer is the road route than the straight-line distance?
The direct path is about 215.2 miles (346.4 km), while the road route adds roughly 37.9 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 7:16 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.68 one way or $67.35 round trip. Estimated CO2 is about 79.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around St. Louis and Partly Sunny then Slight Chance Showers And Thunderstorms near Greenfield.
Stop Ideas Near Saint Robert
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 Saint Robert.
Jefferson City
Hermann
Flight Path Map
This map shows the direct air route between St. Louis and Greenfield. Straight-line distance: 215.23 mi (346.38 km).
#1 St. Louis
The second most populous city in Missouri and the center of the St.
| Population | 315,685 |
| Coordinates | 38.6272700, -90.1978900 |
| Altitude | 142 |
| Country | United States |
#2 Greenfield
City in Dade County, Missouri, United States
| Population | 1,315 |
| Coordinates | 37.4153200, -93.8410400 |
| Altitude | 334 |
| Country | United States |
End: Greenfield (-93.84104, 37.41532)
Estimated Travel Time
Distance: 407 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 25m |
| 40 mph (64.37 km/h) | 06h 19m |
| 50 mph (80.47 km/h) | 05h 03m |
| 60 mph (96.56 km/h) | 04h 13m |
| 70 mph (112.65 km/h) | 03h 36m |
| 80 mph (129 km/h) | 03h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $33.68 | $67.35 |
| Mid-grade | $4.25 | $37.98 | $75.96 |
| Premium | $4.65 | $41.56 | $83.12 |
| Diesel | $5.30 | $47.36 | $94.73 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.