The flight time to Portland from Silver Spring is 4 hours 35 minutes . This is approximate direct flying time, and include average plane speed 510 miles per hour. Total flight distance between Silver Spring, MD and Portland, OR is about two thousand, three hundred and forty-five miles or three thousand, seven hundred and seventy-four km. Real time can be different, and depends on the time of day, the type of aircraft, and can be significantly longer if there are transplants during the flight.
Flying time is about 4 hours 35 minutes
Select arrival and departure cities, current are Silver Spring, MD and OR
This flight will take about four hours thirty-five minutes ;
You can buy ticket to plane or drive by car, check ; distance in miles between Silver Spring and Portland
| Aircraft | Cruising speed | Time |
| Average | 510 mph | 4 hr 35 min |
| Boeing 737 | 515 mph | 4 hr 33 min |
| Boeing 777 | 554 mph | 4 hr 13 min |
| Airbus | 515 mph | 4 hr 33 min |
Dont forget to include time in airport before and after flight.
| Country | USA |
| State | Maryland |
| City | Silver Spring, MD |
| Latitude | 38.99067 |
| Longitude | -77.02609 |
| Country | USA |
| State | Oregon |
| City | Portland, OR |
| Latitude | 45.52345 |
| Longitude | -122.67621 |
Please note: current air time calculator show approximate distance and time between cities Silver Spring, MD and Portland, OR. This values can be different if you flight from airports in this cities. To calculate exact time can be shown only when you buy ticket to the plane. We do not guarantee that there is an airline that connects city Silver Spring and Portland. To find out if there is such a flight use the ticket purchase service.