Air Miles Calculator

Distance between Washington D.C. (IAD) and South Bend, IN (SBN)

Flight distance from Washington D.C. to South Bend (Washington Dulles International Airport – South Bend International Airport) is 505 miles / 813 kilometers / 439 nautical miles. Estimated flight time is 1 hour 27 minutes.

Driving distance from Washington D.C. (IAD) to South Bend (SBN) is 610 miles / 982 kilometers and travel time by car is about 10 hours 47 minutes.

Map of flight path and driving directions from Washington D.C. to South Bend.

Shortest flight path between Washington Dulles International Airport (IAD) and South Bend International Airport (SBN).

How far is South Bend from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and South Bend. Here are two common methods:

Vincenty's formula (applied above)
  • 505.014 miles
  • 812.741 kilometers
  • 438.845 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 504.024 miles
  • 811.148 kilometers
  • 437.985 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Airport information


A Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

B South Bend International Airport
City: South Bend, IN
Country: United States Flag of United States
IATA Code: SBN
ICAO Code: KSBN
Coordinates: 41°42′31″N, 86°19′2″W

Time difference and current local times

There is no time difference between Washington D.C. and South Bend.

Time Difference

Washington D.C.

 EST

South Bend, IN

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 99 kg (219 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → South Bend (SBN).

Distance:
505
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
505

Round trip?