| Porvoo to Cervello | 1,651.26 mi (2,657.45 km) |
| Porvoo to Cervera | 1,652.78 mi (2,659.89 km) |
| Porvoo to Ceuti | 1,934.86 mi (3,113.85 km) |
| Porvoo to Cheste | 1,834.83 mi (2,952.87 km) |
| Porvoo to Chiclana de la Frontera | 2,166.29 mi (3,486.30 km) |
| Porvoo to Chipiona | 2,155.31 mi (3,468.63 km) |
| Porvoo to Chiva | 1,836.25 mi (2,955.16 km) |
| Porvoo to Churriana de la Vega | 2,053.86 mi (3,305.36 km) |
| Porvoo to Ciempozuelos | 1,873.96 mi (3,015.85 km) |
| Porvoo to Cieza | 1,928.95 mi (3,104.34 km) |
| Porvoo to Cisterniga | 1,820.00 mi (2,929.00 km) |
| Porvoo to Ciudad de Melilla | 2,149.05 mi (3,458.56 km) |
| Porvoo to Ciudad Real | 1,951.54 mi (3,140.69 km) |
| Porvoo to Ciudad-Rodrigo | 1,932.58 mi (3,110.18 km) |
| Porvoo to Cocentaina | 1,872.94 mi (3,014.20 km) |
