How many km of roads did the Romans build?

Q: How many km of roads did the Romans build?

400,000 km (400,000). 400,000 km — ten times around the Earth, 80,000 km of it stone-paved highway. Source: Roman engineering histories

400,000

400,000 km — ten times around the Earth, 80,000 km of it stone-paved highway.SOURCERoman engineering histories

Scale check: 400,000 is roughly Wembley, full, plus a bit.

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