Use these sites to help plan your route :
www.viamichelin.com
www.mappy.fr

STARTING FROM :

Angers :
Leaving Angers, follow signs for “Tours, Paris, Centre Hospitalier, Les Halles, Angers-Marcé, Le Mans”
take A11 “Centre de Gros Saint-Serge, Paris M.I.N”
take exit N° 8 and follow “N157 LE MANS-CENTRE”
then follow "Circuit des 24 Heures" signs.

Caen :
Leaving Caen, take N158 “Alençon, Le Mans, Parc d'Activités, Rocade Sud, Parc d'Activités,” Head for “IFS Sud Falaise,”
continue on N138,
take N12,
continue on A28 “Le Mans”
take Exit N°23 / “Le Mans Centre, Le Mans Z.I. Sud,”
on N23 follow "Circuit des 24 Heures" signs.

Calais :

Leaving Calais, take A16/E402 “Boulogne Gare T.G.V. Tunnel-sous-la-Manche Rouen Marquise”,
take Exit 23 and continue on A28 “ABBEVILLE-CENTRE, LE HAVRE, ROUEN, LE TREPORT”,
follow N28/E402 “Darnétal, Rouen,”
leave and take D18e into Rouen,
take “Voie Rapide Sud III”,
at Le Petit-Quevilly take N338 “Elbeuf Grand Quevilly, Petit-Quevilly, Le Mans”,
continue on N138/E402/E46 “Le Havre, Elbeuf, Alençon, Caen”,
rejoin A13/E05/E402/E46 ,
leave and take N138 “Pont-Audemer Maison-Brûlée Bourgtheroulde-Infreville Alençon Caen Mans (Le)”,
take N12,
continue on A28 “Mans (Le)”,
Take Exit N°23 / “Le Mans Centre, Le Mans Z.I. Sud”,
on N23, follow "Circuit des 24 Heures" signs.

Nantes :
Leaving Nantes, take A811 “Ancenis Paris Angers”
join A11 “Ancenis Angers Laval Paris”
take Exit N° 8 and continue to N157 “LE MANS-CENTRE”
follow "Circuit des 24 Heures" signs

Orly :

A3 / “Bordeaux, Nantes, Lyon, Fontenay sous Bois,”
then A10 / E05 / E50 / “Nantes, Bordeaux, Palaiseau, Massy, Étampes”,
then A11 / E50 / “Ablis, Chartres, Le Mans, Rennes”,
then A28 / “Le Mans Z.I. Sud, Le Mans Centre, Tours”,
take Exit N°23 / “Le Mans Centre, Le Mans Z.I. Sud”,
on N23 follow "Circuit des 24 Heures" signs.

Paris :
Leaving Paris, take the Boulevard Périphérique,
follow signs for “Orly-Lyon Porte d'Italie quai d'Ivry Périphérique Intérieur”,
continue on A6b following signs for “Orly Evry Bordeaux Lyon Rungis Nantes”,
rejoin A6a following signs for “Orly Lyon Evry”,
rejoin l'A10 following signs for “Bordeaux Nantes Étampes Palaiseau Massy Longjumeau”,
follow signs for “Etampes Orléans”,
continue on A11 / E50 / following signs for “Ablis, Chartres, Le Mans, Rennes”,
then A28 / “Le Mans Z.I. Sud, Le Mans Centre, Tours”,
take Exit N°23 / “Le Mans Centre, Le Mans Z.I. Sud”,
on N23 follow "Circuit des 24 Heures" signs.

Roissy CDG :
A86 / Versailles,
then A6 / E05 / E15 / E50 / “Bordeaux, Nantes, Lyon”,
then A10 / E05 / E50 / “Nantes, Bordeaux, Palaiseau, Massy, Étampes”,
then A11 / E50 / Ablis, Chartres, Le Mans, Rennes”,
then A28 / “Le Mans Z.I. Sud, Le Mans Centre, Tours,
take Exit N°23 / “Le Mans Centre, Le Mans Z.I. Sud”,
on N23 follow "Circuit des 24 Heures" signs.

Tours :

Leaving Tours,
at Saint-Cyr-sur-Loire take N138 to Le Mans,
follow "Circuit des 24 Heures" signs.