Need help booking?
Unpublished phone-only deals available
CMI to HRI: distance & flight time
Champaign (University of Illinois Willard Airport) → Mattala (Mattala Rajapaksa International Airport)
9,166 mi
14,751 km · 7,965 nm
18h 26m
estimated nonstop flight time
+10.5h
time difference · heading north
See live CMI→HRI fares Phone-only fares on this route — call free
Flight time details
9,166 miles nonstop takes roughly 18h 26m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- CMI — University of Illinois Willard Airport · Champaign, United States
- HRI — Mattala Rajapaksa International Airport · Mattala, Sri Lanka
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near CMI
Near HRI
- WRZ · Weerawila Airport8 mi away
- KCT · Koggala Airport59 mi away
- ADP · Ampara Airport81 mi away
- RML · Colombo Ratmalana Airport93 mi away
Frequently asked questions
How far is CMI from HRI?
The flight distance from Champaign (CMI) to Mattala (HRI) is 9,166 miles (14,751 km, 7,965 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to HRI?
A nonstop flight takes about 18h 26m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Champaign and Mattala?
Mattala is 10.5 hours ahead of Champaign.
What is the cheapest way to fly from CMI to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–HRI that never appear on search engines, with no booking fees.