The distance between Seattle (Washington, USA) and Naples (Campania, Italy) is ca. 9.365,7 km (air line).
Distance between Seattle and other cities and places worldwide
Distance between Seattle and other major cities
Los Angeles1495.8 km
Vancouver246.1 km- New York City3920.4 km
Mexico CIty3750.5 km
London7775.7 km
Paris8116.5 km
Berlin8192.9 km
Stockholm7664.5 km
Tokyo7684.4 km