| Helsinki to Castelfiorentino | 1,284.59 mi (2,067.34 km) |
| Helsinki to Castelfranco di Sopra | 1,272.11 mi (2,047.26 km) |
| Helsinki to Castelfranco di Sotto | 1,282.31 mi (2,063.68 km) |
| Helsinki to Castelfranco Emilia | 1,219.39 mi (1,962.42 km) |
| Helsinki to Castelfranco Veneto | 1,134.52 mi (1,825.83 km) |
| Helsinki to Castellabate | 1,439.78 mi (2,317.10 km) |
| Helsinki to Castellammare del Golfo | 1,618.39 mi (2,604.55 km) |
| Helsinki to Castellammare di Stabia | 1,418.17 mi (2,282.32 km) |
| Helsinki to Castellamonte | 1,241.80 mi (1,998.49 km) |
| Helsinki to Castellana Grotte | 1,373.43 mi (2,210.32 km) |
| Helsinki to Castellaneta | 1,392.79 mi (2,241.48 km) |
| Helsinki to Castellanza | 1,200.50 mi (1,932.02 km) |
| Helsinki to Castellarano | 1,226.55 mi (1,973.94 km) |
| Helsinki to Castelleone | 1,201.64 mi (1,933.85 km) |
| Helsinki to Castelletto sopra Ticino | 1,200.36 mi (1,931.79 km) |
