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Table 3 Mean difference in travel time and road distance between Google Maps and custom-built networks in shortest path analysis

From: Measuring geographic access to health care: raster and network-based methods

  Time (minutes) Distance (miles)
Network 1 18.39 2.84
Network 2 8.29 6.41
Network 3 1.54 4.42
Network 4 2.33 3.04
Network 5 0.87 2.55