Kansas City to St. Louis Distance

249 miles•400 km•3.9 hours

Driving distance and route information from Kansas City, United Statesto St. Louis, United States. Compare multiple routes and get detailed travel information.

⭐

FASTEST ROUTE

248.6 mi

(400.09 km)

⏱️3h 55m

Via I-70

I-70

🔄

ALTERNATIVE ROUTE

278.84 mi

(448.75 km)

⏱️4h 40m

Via I-70 → US-24 → I-435 → US-63

I-70 → US-24

📏 Straight-line distance: 239 miles (384 km)

See crow flies distance →

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Complete Driving Guide: Kansas City to St. Louis

Essential Route Information

TOTAL DISTANCE

249 mi

400 kilometers

DRIVING TIME

3.9 hours

234 minutes

FUEL ESTIMATE

33 L

$50 cost

📍 Route Overview

Starting PointKansas City, Missouri

DestinationSt. Louis, Missouri

Route Options2 available routes

Countries Crossed1 country

Time Zone ChangesCheck local times

🚗 Driving Details

Average Speed103 km/h

Straight-line Distance384 km

Route Efficiency96%

Toll RoadsNo tolls expected

Ferry CrossingsNo ferries

Compare All Routes from Kansas City to St. Louis

Route Type	Distance	Drive Time	Avg Speed	Tolls
⭐ Fastest Route	249 mi (400 km)	3.9 hours	102 km/h	❌ No
Alternative 1	279 mi (449 km)	4.7 hours	96 km/h	❌ No

Complete Journey Overview: Kansas City to St. Louis

The road journey from Kansas City to St. Louis spans approximately 249 miles (400 kilometers), making it a medium-distance drive that typically requires 3.9 hours of continuous driving under normal traffic conditions.

This route connects Missouri, United States with Missouri, United States, traversing through various regions within United States. The journey offers 2 distinct routing options, each with unique advantages in terms of distance, time, or scenic value.

The fastest driving route from Kansas City to St. Louis follows the I-70 corridor, maintaining an average speed of approximately 103 km/h. This corridor avoids toll roads, keeping out-of-pocket cost limited to fuel and incidentals.

🗺️ Travel Planning Essentials

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Fuel Planning: Expect to use approximately 10 gallons (33 liters) of fuel for this 249 mile journey. Plan fuel stops every 250-300 miles.

✓

Rest Stops: For safety, plan a 15-minute break every 2 hours of driving. Total journey with breaks: 4.5 hours.

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Best Travel Times: Avoid peak traffic hours (7-9 AM and 5-7 PM) in major cities along your route for optimal travel time.

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Weather Check: Monitor weather conditions along the entire route, especially during winter months or rainy seasons.

💰 Cost Estimation Guide

Fuel Cost (approximate)$35

Toll Costs$0

Vehicle Wear & Tear (total, ~$0.25/mi)$62

Total Trip Cost$97

* Costs are estimates based on average fuel prices and vehicle maintenance. Actual costs may vary.

Alternative Transportation Options

🚗

By Car

3.9 hours

249 miles

✈️

By Plane

0.5 hours flight

384 km direct

🚌

By Bus

5.1 hours

Multiple stops

More routes from Kansas City

View all distances from Kansas City →

More routes from St. Louis

View all distances from St. Louis →

Kansas City to St. Louis - Frequently Asked Questions

What is the driving distance from Kansas City to St. Louis?

The driving distance from Kansas City to St. Louis is 249 miles (400 km) by the fastest route, which follows I-70. The straight-line ("as the crow flies") distance is 384 km — driving distances are typically 20-40% longer than straight-line because roads must navigate around terrain and built environment.

How long does it take to drive from Kansas City to St. Louis?

The drive from Kansas City to St. Louis takes approximately 3h 55m of continuous driving at an average speed of 103 km/h. With a 15-minute rest stop every two hours, plan on roughly 4.5 hours of total trip time. Add additional time for traffic, weather, or border crossings.

What is the fastest route from Kansas City to St. Louis?

The fastest driving route from Kansas City to St. Louis is 249 miles (400 km) via I-70, taking about 3h 55m. This corridor follows the major highway connection between the two cities and is optimized for travel time.

Are there alternative routes from Kansas City to St. Louis?

Yes, 2 routing options exist between Kansas City and St. Louis. Alternatives have similar total distance but use different road segments — useful if the primary corridor has heavy traffic or construction.

Does the route from Kansas City to St. Louis include tolls?

No, the fastest driving route from Kansas City to St. Louis stays on toll-free public roads. Alternative routes may use different segments — check each route's summary above.

How much fuel does it take to drive from Kansas City to St. Louis?

A standard car at 30 mpg uses approximately 8 gallons (33 liters) of fuel for the 249-mile (400-km) drive from Kansas City to St. Louis. At $3.50 per gallon that is roughly $28 in fuel cost; less efficient vehicles or higher local fuel prices will increase this proportionally.

How do I navigate from Kansas City to St. Louis?

Use the "Open this route in your nav app" buttons above the journey guide to launch turn-by-turn directions in Google Maps, Apple Maps, or Waze. Each link pre-fills Kansas City as the origin and St. Louis as the destination, so navigation begins as soon as the app opens.