| Piqua to Chateaubriant | 3,956.00 mi (6,366.56 km) |
| Piqua to Chateaudun | 4,057.92 mi (6,530.59 km) |
| Piqua to Chateauneuf-les-Martigues | 4,376.65 mi (7,043.54 km) |
| Piqua to Chateaurenard | 4,345.61 mi (6,993.59 km) |
| Piqua to Chateauroux | 4,112.61 mi (6,618.60 km) |
| Piqua to Chatellerault | 4,064.33 mi (6,540.91 km) |
| Piqua to Chatenay-Malabry | 4,074.55 mi (6,557.35 km) |
| Piqua to Chatillon | 4,073.94 mi (6,556.37 km) |
| Piqua to Chatou | 4,065.75 mi (6,543.19 km) |
| Piqua to Chaumont | 4,211.50 mi (6,777.75 km) |
| Piqua to Chauny | 4,085.58 mi (6,575.11 km) |
| Piqua to Chaville | 4,069.56 mi (6,549.32 km) |
| Piqua to Checy | 4,091.86 mi (6,585.22 km) |
| Piqua to Chelles | 4,083.86 mi (6,572.34 km) |
| Piqua to Chennevieres-sur-Marne | 4,083.87 mi (6,572.36 km) |
