O'Fallon
O'Fallon
Miami
Miami
Flight Driving

O'Fallon to Miami

Updated: 28 May 2026

The trip from O'Fallon to Miami covers about 1,250 miles. Driving via I-64 and I-75 takes approximately 20 hours. You will travel through the Southeast and down the entire length of Florida. Alternatively, you can fly from St. Louis (STL) to Miami (MIA) in about 3 hours.

Total Distance: 2,000 km driving distance; 1,750 km straight-line air distance.
Fastest Way
Flying is the fastest, taking 3 hours.
Cheapest Way
Driving is the most cost-effective for groups.
Compare O'Fallon to Miami Routes
Flight
Direct
Driving
Direct
Duration 3 hours 20 hours
Avg Price 200-500 USD 220-300 USD
Operator American Airlines Personal Vehicle
Route STL to MIA I-64 E to I-75 S
Tip Miami is a major hub for American Airlines. Expect heavy traffic in Atlanta and South Florida.
Travel Tips
  • Traffic
    Miami traffic is very heavy; plan your travel accordingly.
  • Sun Protection
    Florida sun is intense; wear sunscreen daily.
  • Airport
    MIA is very busy; arrive at least 2 hours before your flight.
  • Dining
    Try authentic Cuban food in Little Havana.
  • Navigation
    Use a GPS to navigate the complex highway system.
Safety Tips
  • Driving
    Stay alert on long stretches of I-75.
  • Weather
    Be prepared for sudden afternoon thunderstorms.
  • City Safety
    Stick to well-lit areas in tourist districts.
  • Emergency
    Keep a roadside assistance contact handy.
People Also Ask
  • How long is the drive?
    The drive takes about 20 hours.
  • Is Miami walkable?
    Parts of the city are, but a car is recommended.
  • Are there tolls?
    Yes, many Florida highways are toll roads.
  • What is the best time to visit?
    Winter is the best time.
  • Is it a safe drive?
    Yes, the interstate route is safe.
Quick Info
  • From O'Fallon, Missouri, United States
  • To Miami, Florida, United States
  • Modes
Best Time to Travel

December to April for the best weather.

Things to Do in Miami
1
South Beach
Visit the iconic beach known for its Art Deco architecture and vibrant nightlife.
2
Vizcaya Museum
Explore this historic estate with beautiful gardens on Biscayne Bay.
3
Everglades National Park
Take an airboat tour to see alligators and unique wildlife.
4
Wynwood Walls
Walk through an outdoor museum featuring world-class street art.
Tags
O'Fallon to Miami driving to Florida I-75 route flights from STL to MIA Missouri to Miami Miami travel guide road trip to Florida best way to Miami