Distance From Pease Air Force Base to Chatham Seaplane Base (PSM - CYM Distance)
The flight distance from Pease Air Force Base (PSM) to Chatham Seaplane Base (CYM) is 2877 miles. This is equivalent to 4630 kilometers or 2499 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.
4630 kilometers is the distance from Pease Air Force Base, United States to Chatham Seaplane Base, United States.
Flight Duration between Portsmouth, United States and Chatham, United States
Estimated flight time from Pease Air Force Base, Portsmouth, United States to Chatham Seaplane Base, Chatham, United States is 5 hours 45 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.
Time Difference Between the Airports • PSM - CYM
Time difference between Portsmouth (United States) and Chatham (United States) is 4 Hours.
Current local time in Portsmouth is 2025-07-30, 17:33:37 EDT and time in Chatham is 2025-07-30, 13:33:37 AKDT.
Chatham time is 4 Hours behind Portsmouth.
Pease Air Force Base to Chatham Seaplane Base Flight Route Map - PSM to CYM Flight Path
Location of Pease Air Force Base & Chatham Seaplane Base is given below.Click the map to view Portsmouth to Chatham nonstop flight path and travel direction.










Nonstop flight route between Portsmouth, United States and Chatham, United States.
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City: | Portsmouth |
Country: | United States ![]() |
IATA Code: | PSM |
ICAO Code: | KPSM |
GPS Coordinates: | Latitude: N 43° 4' 40.6'' Longitude: W 70° 49' 23.8'' |
Current time: | 2025-07-30, 17:33:37 EDT |
Current weather: |
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City: | Chatham |
Country: | United States ![]() |
IATA Code: | CYM |
ICAO Code: | CYM |
GPS Coordinates: | Latitude: N 57° 30' 53.6'' Longitude: W 134° 56' 45.6'' |
Current time: | 2025-07-30, 13:33:37 AKDT |
Current weather: |
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Flights: |
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