Washington, D.C. To Ontario
- Travel distance: 2265 miles = 3645 kilometers
- Airline options: American Airlines, Alaska Airlines, Delta Airlines, Uinted Airlines.
- Weekly flights: 250+
- Average flight duration: 6 hours 40 minutes
- Nearest airport to Washington: Baltimore Washington (BWI)
- Nearest airport to Ontario: John Wayne Airport (SNA)
Time difference between Washington,D.C (United Sates) and Ontario (United States) is 0 hours.