Lake Tahoe is about 3.9 times bigger than Lake Norman.

Lake Norman is approximately 128 km² (49 sq mi), while Lake Tahoe is approximately 502 km² (194 sq mi), making Lake Tahoe 293% larger than Lake Norman.
Tip: This to-scale comparison of Lake Norman vs. Lake Tahoe uses the Mercator projection, which distorts the size of regions near the poles.
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