ORD to ROC: Distance and Flight Time

How far is it from Chicago to Rochester?

The great-circle distance between Chicago O'Hare International Airport (ORD) and Frederick Douglass Greater Rochester International Airport (ROC) is 847 km (526 mi, 457 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.

How long is the flight from ORD to ROC?

A nonstop flight typically takes about 1h 35m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. ROC is roughly east of ORD.

How is the ORD to ROC route written in code?

The pair is written ORD-ROC in IATA codes and KORD-KROC in ICAO codes, the form used on a flight plan. Chicago O'Hare International Airport is ORD (KORD), Frederick Douglass Greater Rochester International Airport is ROC (KROC).

Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.

ROC sits 121 ft (37 m) lower than ORD, which is a real difference in air density on takeoff.

Airlines flying ORD to ROC

2 airlines appear on this route in the open route dataset, 2 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:

A further 1 carrier sell this pair as a codeshare without operating it: AA.

Route and carrier data comes from the OpenFlights open dataset, regenerated here on 3 July 2026. It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.

Frequently asked questions

Related routes

Other routes from Chicago (ORD):

Other routes from Rochester (ROC):

ORD airport code · ROC airport code · Busiest airports worldwide