The following highways are numbered 666:

Belgium

* The

pilgrimage A pilgrimage is a travel, journey to a holy place, which can lead to a personal transformation, after which the pilgrim returns to their daily life. A pilgrim (from the Latin ''peregrinus'') is a traveler (literally one who has come from afar) w ...

centre of

Banneux Banneux () is a village of Wallonia in the municipality of Sprimont, district of Louveigné, located in the Liège Province, province of Liège, Belgium. It is known because of the reported Marian apparitions of Our Lady of Banneux, also known a ...

in Belgium is located on the N666 road.

Canada

Alberta Highway 666 *

Ontario Highway 666 (former)

Ireland

R666

Italy

Strada regionale 666 di Sora (formerly ''strada statale 666 di Sora'')

Netherlands

Provinciale weg 666 NL Wiki Page

Philippines

* N666 highway (Philippines)

Sweden

* Länsväg 666, in Uppland, eastbound from Alunda. Z 666 Wiki SV

United Kingdom

A666 road The A666 is a major road in Greater Manchester and Lancashire, England. Route The road runs from its junction with the A6, and A580 at the Irlams o' th' Height boundary with Pendlebury near Manchester, through Pendlebury, Clifton, Kea ...

United States

* * * (former) * * * * {{Road index, 666