| Piqua to Chambray-les-Tours | 4,055.02 mi (6,525.93 km) |
| Piqua to Chamonix-Mont-Blanc | 4,357.75 mi (7,013.13 km) |
| Piqua to Champigny-sur-Marne | 4,082.53 mi (6,570.20 km) |
| Piqua to Champs-Sur-Marne | 4,084.93 mi (6,574.06 km) |
| Piqua to Chanteloup-les-Vignes | 4,057.86 mi (6,530.49 km) |
| Piqua to Chantepie | 3,934.91 mi (6,332.63 km) |
| Piqua to Chantilly | 4,068.69 mi (6,547.93 km) |
| Piqua to Chaponost | 4,276.92 mi (6,883.04 km) |
| Piqua to Charenton-le-Pont | 4,077.76 mi (6,562.53 km) |
| Piqua to Charleville-Mezieres | 4,139.89 mi (6,662.50 km) |
| Piqua to Chartres | 4,051.89 mi (6,520.89 km) |
| Piqua to Chassieu | 4,285.11 mi (6,896.21 km) |
| Piqua to Chateau-d'Olonne | 3,977.27 mi (6,400.80 km) |
| Piqua to Chateau-Gontier | 3,980.80 mi (6,406.47 km) |
| Piqua to Chateau-Thierry | 4,111.02 mi (6,616.05 km) |
