| Portland to Chambray-les-Tours | 5,161.66 mi (8,306.90 km) |
| Portland to Chamonix-Mont-Blanc | 5,410.50 mi (8,707.35 km) |
| Portland to Champigny-sur-Marne | 5,129.90 mi (8,255.78 km) |
| Portland to Champs-Sur-Marne | 5,130.27 mi (8,256.38 km) |
| Portland to Chanteloup-les-Vignes | 5,107.82 mi (8,220.25 km) |
| Portland to Chantepie | 5,054.00 mi (8,133.63 km) |
| Portland to Chantilly | 5,107.90 mi (8,220.38 km) |
| Portland to Chaponost | 5,365.19 mi (8,634.44 km) |
| Portland to Charenton-le-Pont | 5,126.39 mi (8,250.13 km) |
| Portland to Charleville-Mezieres | 5,134.66 mi (8,263.43 km) |
| Portland to Chartres | 5,121.68 mi (8,242.55 km) |
| Portland to Chassieu | 5,369.40 mi (8,641.22 km) |
| Portland to Chateau-d'Olonne | 5,135.86 mi (8,265.37 km) |
| Portland to Chateau-Gontier | 5,094.39 mi (8,198.63 km) |
| Portland to Chateau-Thierry | 5,140.96 mi (8,273.57 km) |
