| Sintra to Cortona | 1,152.59 mi (1,854.91 km) |
| Sintra to Cosenza | 1,371.52 mi (2,207.24 km) |
| Sintra to Cossato | 1,010.12 mi (1,625.63 km) |
| Sintra to Costa Volpino | 1,103.92 mi (1,776.59 km) |
| Sintra to Creazzo | 1,161.34 mi (1,868.99 km) |
| Sintra to Crema | 1,074.60 mi (1,729.39 km) |
| Sintra to Cremona | 1,085.95 mi (1,747.67 km) |
| Sintra to Crevalcore | 1,130.93 mi (1,820.06 km) |
| Sintra to Crispiano | 1,415.27 mi (2,277.65 km) |
| Sintra to Crosia | 1,396.83 mi (2,247.99 km) |
| Sintra to Crotone | 1,419.44 mi (2,284.36 km) |
| Sintra to Cuneo | 954.19 mi (1,535.62 km) |
| Sintra to Cuorgne | 982.34 mi (1,580.92 km) |
| Sintra to Cusano Milanino | 1,055.79 mi (1,699.12 km) |
| Sintra to Cutro | 1,412.77 mi (2,273.63 km) |
