# Distance between Bologna (BLQ) and Trieste (TRS)

Flight distance from Bologna to Trieste (Bologna Guglielmo Marconi Airport – Trieste – Friuli Venezia Giulia Airport) is 139 miles / 224 kilometers / 121 nautical miles. Estimated flight time is 45 minutes.

Driving distance from Bologna (BLQ) to Trieste (TRS) is 168 miles / 270 kilometers and travel time by car is about 2 hours 37 minutes.

## Map of flight path and driving directions from Bologna to Trieste.

Shortest flight path between Bologna Guglielmo Marconi Airport (BLQ) and Trieste – Friuli Venezia Giulia Airport (TRS).

## How far is Trieste from Bologna?

There are several ways to calculate distances between Bologna and Trieste. Here are two common methods:

Vincenty's formula (applied above)
• 139.035 miles
• 223.755 kilometers
• 120.818 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
• 138.837 miles
• 223.436 kilometers
• 120.646 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 Bologna Guglielmo Marconi Airport
City: Bologna
Country: Italy
IATA Code: BLQ
ICAO Code: LIPE
Coordinates: 44°32′7″N, 11°17′19″E

B Trieste – Friuli Venezia Giulia Airport
City: Trieste
Country: Italy
IATA Code: TRS
ICAO Code: LIPQ
Coordinates: 45°49′38″N, 13°28′19″E

## Time difference and current local times

There is no time difference between Bologna and Trieste.

CET

CET

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 45 kg (100 pounds).

## Frequent Flyer Miles Calculator

Bologna (BLQ) → Trieste (TRS).

Distance:
139
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
139

Round trip?