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Themeridian 103° west ofGreenwich is a line oflongitude[1] that extends from theNorth Pole across theArctic Ocean,North America, thePacific Ocean, theSouthern Ocean, andAntarctica to theSouth Pole.
In theUnited States, the border betweenNew Mexico andOklahoma is defined by the meridian.
The 103rd meridian west forms agreat circle with the77th meridian east.
Starting at theNorth Pole and heading south to theSouth Pole, the 103rd meridian west passes through: