Alabama to Tennessee

Distance from Birmingham to Chattanooga

Straight-line distance

138.3mi

Birmingham, AL and Chattanooga, TN are 138.3 miles (222.5 km) apart in a straight line. From Birmingham, the shortest path starts out heading NE (39°).

kilometers
222.5
nautical miles
120.1
heading from Birmingham
39° NE
heading from Chattanooga
220° SW
BirminghamChattanooga

Orange line: great-circle path · ring: midpoint · thin lines: county borders

How far Birmingham is from Chattanooga

The great-circle distance between the Census internal points of Birmingham and Chattanooga is 138.3 miles, 222.5 km or 120.1 nautical miles. That is the shortest path over the Earth's surface, computed with the haversine formula on a sphere with the mean Earth radius, 6,371.0 km. A course held on one compass bearing (a rhumb line) would be 138.3 miles, practically the same at this range.

Measurements

Miles
138.3
Kilometers
222.5
Nautical miles
120.1
Bearing from Birmingham
39.3° NE
Bearing arriving at Chattanooga
40.2°
Bearing from Chattanooga
220.2° SW

Halfway between Birmingham and Chattanooga

The great-circle midpoint is at 34.299035, -86.029793 (34°17'56.53"N 86°01'47.25"W). The nearest incorporated place of 1,000 or more people is Crossville, AL, with 1,829 residents, 2.1 miles from the midpoint. To find towns near the midpoint of any two places, use the halfway tool.

Time zones and daylight

Birmingham uses America/Chicago and Chattanooga uses America/New_York; Chattanooga is 1 hour ahead all year. On June 21, Birmingham gets 14 h 23 min of daylight and Chattanooga 14 h 31 min; on December 21, 9 h 56 min and 9 h 48 min. Chattanooga is 1.54° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Birmingham has 1.0 times the population of Chattanooga. From July 2020 to July 2024, Birmingham changed by -2.0% and Chattanooga by +5.1%. The trip crosses from Alabama into Tennessee.

  1. 01Birmingham, AL196,357 (-2.0%)
  2. 02Chattanooga, TN191,496 (+5.1%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Birmingham from Chattanooga?

138.3 miles, 222.5 km or 120.1 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Chattanooga from Birmingham?

NE. The great-circle path leaves Birmingham on a bearing of 39.3° and arrives at Chattanooga on 40.2°. The return trip starts on 220.2°.

What is halfway between Birmingham and Chattanooga?

The midpoint is at 34.299035, -86.029793. The nearest incorporated place of 1,000+ is Crossville, AL, 2.1 miles from it.

Is there a time difference between Birmingham and Chattanooga?

Birmingham uses America/Chicago and Chattanooga uses America/New_York; Chattanooga is 1 hour ahead all year.

Which is bigger, Birmingham or Chattanooga?

Birmingham, with 196,357 residents in July 2024 against 191,496 for Chattanooga, 1.0 times as many.

Sources and data as of

Data as of: Census 2024 Gazetteer internal points and Vintage 2024 estimates; time zones from Open-Meteo.

  1. 01Census 2024 Gazetteer, places
  2. 02Census Vintage 2024 subcounty population estimates
  3. 03SunCalc library (Vladimir Agafonkin), algorithms after Jean Meeus
  4. 04IANA time zone database (clock times and daylight saving rules)

How every number is computed: methodology. Spotted a wrong figure? Report an error.