Horizontal Width: 2,125 km (1,321 miles) from Kugluktuk, directly east to Iqaluit
Vertical Length: from Barbeau Peak directly south to Arviat, 2,446 km (1,520 miles)
Note: Maximum lengths and widths are point-to-point, straight-line measurements from a Mercator map projection, and will vary some using other map projections