Limerick is probably Ireland's last unspoiled city. From a tourist point of view it might not seem to hold the same allure as Cork or Galway, but as it is twenty minutes by bus from Shannon Airport, it is easy to spend a few hours in Limerick at least. While Limerick City does not have an airport, Shannon Airport serves the area and is located within 25km of Limerick City along the N18. Shannon Airport is an International Airport that services locations both within Europe and to the United States. Daily flights from Shannon Airport to New York, Newark and Chicago are operated by Delta, Aer Lingus and Continental Airlines while Ryanair mainly services destinations in the UK and Europe. Limerick City is served very well by Bus Eireann who operate services to and from Limerick city to Athlone, Balbriggan, Cork, Drogheda, Dublin, Dundalk, Galway, Navan, Sligo and Waterford. Limerick is connected to the Irish Rail network by Colbert Station which is located on Parnell Street in Limerick City. Limerick City is connected by rail (either directly or indirectly) with the main towns of Belfast, Dublin, Rosslare, Cork, Tralee and Ennis.