Distance:
The direct distance between St. Louis, Missouri and New Orleans, Louisiana is 591 miles (951 km).
The driving distance from St. Louis to New Orleans is 677 mi - about 10 hours 4 mins.
Flight:
St. Louis, MO (STL) to New Orleans, LA (MSY)
Flight Duration 1 hour 50 mins
By road it is about 678 miles. According to Mapquest, it's approximately 10 hours and a distance of 679 miles. Most of the drive (over 600 miles of it) would be on highway I-55 heading south.
The straight-line distance is 9765.6 miles. This is the true straight line distance which accounts for the curvature of the earth, NOT the straight line drawn on a map.
The straight-line distance is 8313.8 miles. This is the true straight line distance which accounts for the curvature of the earth, NOT the straight line drawn on a map.
The straight-line distance is 256.9 miles. This is the true straight-line distance which accounts for the curvature of the earth and not merely a straight line drawn on a map.
The straight-line distance is 1,030 miles (to the coastline of Puerto Rico). This is the true straight line distance which accounts for the curvature of the earth, NOT simply a straight line drawn on a map.
The straight-line distance is 1,210 miles. This is the true straight line distance which accounts for the curvature of the earth, NOT the straight line drawn on a map.
The straight-line distance is 1885.7 miles. This is the true straight line distance which accounts for the curvature of the earth, NOT the straight line drawn on a map.
The straight-line distance is 3508.6 miles. This is the true straight line distance which accounts for the curvature of the earth, NOT the straight line drawn on a map.
The straight-line distance is 3708.5 miles. This is the true straight line distance which accounts for the curvature of the earth, NOT the straight line drawn on a map.
The straight-line distance is 714.9 km. This is the true straight-line distance which accounts for the curvature of the earth and not merely a straight line drawn on a map.
The straight-line distance to the Louisiana state line is 532 miles. This is the true straight line distance which accounts for the curvature of the earth, NOT the straight line drawn on a map.
The straight-line distance is about 4,971 miles.
The straight-line distance is about 4,241.7 miles.