The Mumbai Airport to Navi Mumbai Airport Metro line, measuring 35 km, is expected to reduce travel time between the two airports to roughly 30 minutes https://www.hindustantimes.com/real-estate/maharashtra-cabinet-clears-metro-link-between-mumbai-and-navi-mumbai-airports-what-it-means-for-real-estate-markets-101769676575528.html#google_vignette
