| Portland to Chateaubriant | 5,081.00 mi (8,177.08 km) |
| Portland to Chateaudun | 5,138.86 mi (8,270.19 km) |
| Portland to Chateauneuf-les-Martigues | 5,509.51 mi (8,866.70 km) |
| Portland to Chateaurenard | 5,472.30 mi (8,806.81 km) |
| Portland to Chateauroux | 5,218.43 mi (8,398.25 km) |
| Portland to Chatellerault | 5,185.42 mi (8,345.13 km) |
| Portland to Chatenay-Malabry | 5,126.34 mi (8,250.05 km) |
| Portland to Chatillon | 5,124.74 mi (8,247.47 km) |
| Portland to Chatou | 5,116.16 mi (8,233.67 km) |
| Portland to Chaumont | 5,239.57 mi (8,432.27 km) |
| Portland to Chauny | 5,104.31 mi (8,214.59 km) |
| Portland to Chaville | 5,121.51 mi (8,242.27 km) |
| Portland to Checy | 5,167.78 mi (8,316.73 km) |
| Portland to Chelles | 5,128.51 mi (8,253.54 km) |
| Portland to Chennevieres-sur-Marne | 5,131.45 mi (8,258.27 km) |
