| Piqua to Cehegin | 4,250.46 mi (6,840.46 km) |
| Piqua to Cervello | 4,306.71 mi (6,930.97 km) |
| Piqua to Cervera | 4,266.59 mi (6,866.42 km) |
| Piqua to Ceuti | 4,275.60 mi (6,880.92 km) |
| Piqua to Cheste | 4,253.82 mi (6,845.86 km) |
| Piqua to Chiclana de la Frontera | 4,101.19 mi (6,600.23 km) |
| Piqua to Chipiona | 4,076.74 mi (6,560.88 km) |
| Piqua to Chiva | 4,252.48 mi (6,843.71 km) |
| Piqua to Churriana de la Vega | 4,195.87 mi (6,752.60 km) |
| Piqua to Ciempozuelos | 4,095.18 mi (6,590.56 km) |
| Piqua to Cieza | 4,263.11 mi (6,860.81 km) |
| Piqua to Cisterniga | 3,998.73 mi (6,435.33 km) |
| Piqua to Ciudad de Melilla | 4,295.50 mi (6,912.93 km) |
| Piqua to Ciudad Real | 4,120.56 mi (6,631.40 km) |
| Piqua to Ciudad-Rodrigo | 3,945.19 mi (6,349.18 km) |
