Need help booking?
Unpublished phone-only deals available
IMT to HRI: distance & flight time
Iron Mountain (Ford Airport) → Mattala (Mattala Rajapaksa International Airport)
8,776 mi
14,124 km · 7,626 nm
17h 40m
estimated nonstop flight time
+10.5h
time difference · heading north
See live IMT→HRI fares Phone-only fares on this route — call free
Flight time details
8,776 miles nonstop takes roughly 17h 40m 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
- IMT — Ford Airport · Iron Mountain, 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 IMT
- ESC · Delta County Airport50 mi away
- MQT · Sawyer International Airport51 mi away
- MNM · Menominee Regional Airport53 mi away
- EGV · Eagle River Union Airport56 mi away
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 IMT from HRI?
The flight distance from Iron Mountain (IMT) to Mattala (HRI) is 8,776 miles (14,124 km, 7,626 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IMT to HRI?
A nonstop flight takes about 17h 40m 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 Iron Mountain and Mattala?
Mattala is 10.5 hours ahead of Iron Mountain.
What is the cheapest way to fly from IMT to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IMT–HRI that never appear on search engines, with no booking fees.