# 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
Coordinates: 38°56′40″N, 77°27′20″W

B South Bend International Airport
City: South Bend, IN
Country: 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.

EST

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?