What is the approximate distance between sumer and the indus river?

Travel RouteDistance (mi)Distance (km)Travel Time Driving1114.9 mi1794.3 km16 hours 3 mins Bicycling1226.3 mi1973.5 km4 days 8 hours Walking1133.7 mi1824.5 km15 days 13 hours Airplane867.6 mi1396.3 km1 h 44 min

The Nile River flows northward for over 4,100 miles, making. ~the longest river in the world.

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”