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It would need a 2 mile long runway as any large aircraft, even a 747 needs that, so not really a constraint.  There's also the Skylon, plus advancements in RDE scramjets and rockets, which are vastly more efficient than traditional rockets.

[URL unfurl="true"]https://www.space.com/venus-aerospace-hotfire-hypersonic-engine[/URL]

[URL unfurl="true"]https://cosmos.isas.jaxa.jp/the-worlds-first-space-flight-for-the-rotating-detonation-engine-and-a-glimpse-at-a-new-sample-return-capsule/[/URL]


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