| Porvoo to Cebazat | 1,360.53 mi (2,189.56 km) |
| Porvoo to Cenon | 1,516.80 mi (2,441.05 km) |
| Porvoo to Cergy | 1,214.28 mi (1,954.20 km) |
| Porvoo to Cernay | 1,139.77 mi (1,834.29 km) |
| Porvoo to Cesson | 1,223.28 mi (1,968.69 km) |
| Porvoo to Cesson-Sevigne | 1,372.54 mi (2,208.88 km) |
| Porvoo to Cestas | 1,527.46 mi (2,458.21 km) |
| Porvoo to Chalette-sur-Loing | 1,249.18 mi (2,010.36 km) |
| Porvoo to Challans | 1,447.62 mi (2,329.71 km) |
| Porvoo to Chalon-sur-Saone | 1,259.27 mi (2,026.60 km) |
| Porvoo to Chalons-en-Champagne | 1,151.58 mi (1,853.29 km) |
| Porvoo to Chamalieres | 1,364.73 mi (2,196.32 km) |
| Porvoo to Chambery | 1,302.42 mi (2,096.04 km) |
| Porvoo to Chambly | 1,201.98 mi (1,934.41 km) |
| Porvoo to Chambray-les-Tours | 1,344.22 mi (2,163.32 km) |
