ALT Walktime to Nearest Supermarket in Ottawa. The map shows that 6% of dwellings are within a 5 minute walk. 20% of dwellings within a 5-10 minute walk, and 23% between a 10-15 minute walk. Distance to nearest amenity was calculated to using QGIS|QNEAT3 Network Analysis Plugin for every 200 x 200 grid permitting residences in accordance with the Zoning Bylaw 2008-250. Walktimes assumed a constant speed of 5 km/h and did not account for changes in elevation. The pedestrian network and amenity locations were gathered using Open Street Map and included roads, bicycle paths and multi-use paths.