| Potomac to Chateaubriant | 3,701.50 mi (5,956.98 km) |
| Potomac to Chateaudun | 3,809.85 mi (6,131.36 km) |
| Potomac to Chateauneuf-les-Martigues | 4,111.30 mi (6,616.49 km) |
| Potomac to Chateaurenard | 4,082.08 mi (6,569.48 km) |
| Potomac to Chateauroux | 3,858.27 mi (6,209.29 km) |
| Potomac to Chatellerault | 3,808.07 mi (6,128.50 km) |
| Potomac to Chatenay-Malabry | 3,831.94 mi (6,166.90 km) |
| Potomac to Chatillon | 3,831.54 mi (6,166.27 km) |
| Potomac to Chatou | 3,823.63 mi (6,153.54 km) |
| Potomac to Chaumont | 3,970.28 mi (6,389.55 km) |
| Potomac to Chauny | 3,849.36 mi (6,194.94 km) |
| Potomac to Chaville | 3,827.04 mi (6,159.02 km) |
| Potomac to Checy | 3,843.98 mi (6,186.29 km) |
| Potomac to Chelles | 3,842.45 mi (6,183.83 km) |
| Potomac to Chennevieres-sur-Marne | 3,841.88 mi (6,182.90 km) |
