The compare page draws Google's route on a Google basemap. Paste a browser key with the Maps JavaScript API and Directions API enabled. Stored in this browser only. ? Create a browser-restricted key, allow this local origin, enable Maps JavaScript API and Directions API, then paste the key here.
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The comparison can't be shown without a working Google basemap (Google's route may not be drawn on a non-Google map).
Ours vs Google · Explore
Imagine you're at the start and need to reach the destination on foot. You're in a hurry and want the fastest route.