| Helsinki to Ciampino | 1,372.80 mi (2,209.31 km) |
| Helsinki to Cicciano | 1,399.30 mi (2,251.95 km) |
| Helsinki to Cingoli | 1,260.20 mi (2,028.09 km) |
| Helsinki to Cinisello Balsamo | 1,197.62 mi (1,927.38 km) |
| Helsinki to Cinisi | 1,605.93 mi (2,584.49 km) |
| Helsinki to Cirie | 1,253.30 mi (2,017.00 km) |
| Helsinki to Ciro Marina | 1,476.48 mi (2,376.17 km) |
| Helsinki to Cislago | 1,196.98 mi (1,926.35 km) |
| Helsinki to Cisterna di Latina | 1,382.91 mi (2,225.58 km) |
| Helsinki to Cisternino | 1,380.89 mi (2,222.33 km) |
| Helsinki to Citta di Castello | 1,270.41 mi (2,044.53 km) |
| Helsinki to Citta Sant'Angelo | 1,303.17 mi (2,097.25 km) |
| Helsinki to Cittadella | 1,138.46 mi (1,832.17 km) |
| Helsinki to Cittanova | 1,556.43 mi (2,504.83 km) |
| Helsinki to Cividale del Friuli | 1,079.26 mi (1,736.91 km) |
