# How far is Rockford, IL, from Trinidad?

The distance between Trinidad (Alberto Delgado Airport) and Rockford (Chicago Rockford International Airport) is 1502 miles / 2417 kilometers / 1305 nautical miles.

1502
Miles
2417
Kilometers
1305
Nautical miles
3 h 20 min
180 kg

## Distance from Trinidad to Rockford

There are several ways to calculate the distance from Trinidad to Rockford. Here are two standard methods:

Vincenty's formula (applied above)
• 1502.009 miles
• 2417.248 kilometers
• 1305.210 nautical miles

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

Haversine formula
• 1505.229 miles
• 2422.431 kilometers
• 1308.008 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).

## How long does it take to fly from Trinidad to Rockford?

The estimated flight time from Alberto Delgado Airport to Chicago Rockford International Airport is 3 hours and 20 minutes.

## Flight carbon footprint between Alberto Delgado Airport (TND) and Chicago Rockford International Airport (RFD)

On average, flying from Trinidad to Rockford generates about 180 kg of CO2 per passenger, and 180 kilograms equals 396 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path from Trinidad to Rockford

See the map of the shortest flight path between Alberto Delgado Airport (TND) and Chicago Rockford International Airport (RFD).