Need help booking?
Unpublished phone-only deals available
OKO to RFD: distance & flight time
Yokota (Yokota Air Base) → Rockford (Chicago Rockford International Airport)
6,244 mi
10,049 km · 5,426 nm
12h 43m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OKO→RFD fares Phone-only fares on this route — call free
Flight time details
6,244 miles nonstop takes roughly 12h 43m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- RFD — Chicago Rockford International Airport · Rockford, United States
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 OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 mi away
Near RFD
Frequently asked questions
How far is OKO from RFD?
The flight distance from Yokota (OKO) to Rockford (RFD) is 6,244 miles (10,049 km, 5,426 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to RFD?
A nonstop flight takes about 12h 43m 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 Yokota and Rockford?
Rockford is 14 hours behind Yokota.
What is the cheapest way to fly from OKO to RFD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–RFD that never appear on search engines, with no booking fees.