R393 road
Bóthar R393
R393 through Ballinacargy
Route information
Length	43 km (27 mi)
Location
Country	Ireland
Primary destinations	County Longford Longford town leaves the N4 Crosses the Dublin-Sligo railway line Carrickboy – (N55) (R399) Crosses the River Inny County Westmeath Ballynacargy Mullingar – terminates at the R394
Highway system
Roads in Ireland Motorways Primary Secondary Regional

The R393 road is a regional road in Ireland linking Longford to Mullingar in County Westmeath.

Its route runs north of the Royal Canal and south of the N4 national primary road – both of which also join Longford to Mullingar, as does the Dublin-Sligo railway line.

The road is 43 km (27 mi) long.