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).
Time difference and current local times
There is no time difference between Washington D.C. and South Bend.
South Bend, IN
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 99 kg (219 pounds).
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → South Bend (SBN).