distance from st louis mo to denver co

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Distance from St. Louis, MO to Denver, CO: What You Need to Know

The distance between St. Louis, Missouri and Denver, Colorado is approximately 858 miles (1,381 kilometers) as the crow flies. When driving, the distance typically ranges from 970 to 1050 miles depending on the specific route you take, usually traveling via I-70 West. This makes it a significant journey, requiring considerable time and planning.

Driving Distance and Routes

The most common route when driving from St. Louis to Denver involves taking Interstate 70 (I-70) West. This well-maintained highway stretches across the Midwest and into the Rocky Mountains. The driving distance using this route is generally between 970 and 1050 miles. Real-time traffic conditions, construction, and weather can all impact the actual time taken to complete the drive.

Factors Affecting Driving Time

Several factors influence the time it takes to drive from St. Louis to Denver. These include:

• Speed: Maintaining the speed limit is crucial, but varying speed limits across different states will affect your overall travel time.
• Traffic: Major cities along the route, such as Kansas City, can experience heavy traffic, especially during peak hours.
• Weather: Inclement weather like snow or heavy rain can significantly slow down your progress. Winter conditions, especially in the mountains, can be particularly challenging.
• Rest Stops and Fuel: Plan for regular stops for fuel, food, and rest to avoid fatigue.
• Construction: Road construction can lead to delays, so it’s always advisable to check for updates before you begin your trip.

Flying Distance and Options

For those preferring air travel, several airlines offer direct and connecting flights between St. Louis Lambert International Airport (STL) and Denver International Airport (DIA). The great-circle distance, or “as the crow flies” distance, is around 858 miles. Flight times for non-stop flights typically range from 2 to 2.5 hours. Connecting flights can take significantly longer, depending on the layover time and location.

Planning Your Trip

Whether you’re driving or flying, careful planning is essential. For driving, consider breaking up the journey into multiple days. Cities like Kansas City, Columbia (MO), or Hays (KS) provide convenient overnight stops. For flying, book your tickets in advance to secure better fares, and factor in travel time to and from the airports. Consider purchasing travel insurance to cover any unexpected delays or cancellations.

Frequently Asked Questions

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

Driving can take anywhere from 14 to 17 hours without stops, but realistically you should plan for 2 days or more.

What is the best time of year to drive from St. Louis to Denver?

Spring and Fall offer the most pleasant weather for driving, avoiding extreme temperatures and potential winter weather in the Rockies.

Are there any scenic routes to take on the drive?

While I-70 is the most direct, consider detouring slightly to explore national parks or historic sites along the way. Parts of old Route 66 can offer a glimpse into the past.

How much does it cost to drive from St. Louis to Denver?

The cost depends on fuel prices, your vehicle’s fuel efficiency, and accommodation costs if you’re breaking up the journey. Budget for several hundred dollars.

What airlines fly from St. Louis to Denver?

Major airlines like United, Southwest, Frontier, and occasionally others offer flights between St. Louis and Denver.

Summary

Traveling from St. Louis, MO, to Denver, CO, is a substantial undertaking. Whether you choose to drive the 970-1050 miles or fly the 858-mile distance, proper planning and preparation are key to a smooth and enjoyable trip. Consider your budget, time constraints, and personal preferences when deciding which mode of transportation is best for you.

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