Here is the information in a table format:

City, Size in North America:
Largest: Mexico City
Smallest: Monowi, Nebraska (population 1)

Distance:
California to London: 8,558 km
Earth width: 12,742 km
Earth to Mars: 196.88 million km

Recently Discovered Planet:
Last planet discovered: Pluto
Distance to Pluto: 5.2751 billion km

Does this help organize the information? Please let me know if you would like me to provide additional details or resources on geography, astronomy or related topics. I'm happy to assist further.
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