Good places to stop on the bike course.

Mile 27 - Boulogne sur mer

Fuel and McDonalds

Mile 66 - Nouvion

La Détente cafe with easy parking

132 N Route nationale

80860 Nouvion

Mile 80 - Pont-Remy

E. Leclerc - large shop / toilet / fuel

29 Rue Jean Moulin

80580 Pont-Remy

Mile 99 - Croixrault

BP station (fuel), toilet and food

A29 Aire de

80290 Croixrault

Mile 110 - Grandvilliers

Fuel and McDonalds

Rue Eugène de Saint-Fuscien

60210 Grandvilliers

Also, Aldi a little further down the road

Mile 130 - Beauvais

McDonalds

Avenue Rhin et Danube

60000 Allonne

Mile 157 - Viarmes

Market Viarmes - large shop / toilet

Rte de Royaumont

95270 Viarmes

Also, lots of Boulangerie & Patisseries on the way, especially in the earlier miles.