| Sintra to Collegno | 971.06 mi (1,562.78 km) |
| Sintra to Cologno al Serio | 1,080.14 mi (1,738.31 km) |
| Sintra to Cologno Monzese | 1,059.62 mi (1,705.30 km) |
| Sintra to Colorno | 1,098.46 mi (1,767.80 km) |
| Sintra to Comacchio | 1,180.03 mi (1,899.08 km) |
| Sintra to Comiso | 1,310.75 mi (2,109.44 km) |
| Sintra to Como | 1,057.58 mi (1,702.01 km) |
| Sintra to Concordia Sagittaria | 1,229.25 mi (1,978.28 km) |
| Sintra to Concorezzo | 1,063.66 mi (1,711.79 km) |
| Sintra to Conegliano | 1,205.87 mi (1,940.67 km) |
| Sintra to Conselice | 1,160.47 mi (1,867.60 km) |
| Sintra to Conselve | 1,173.73 mi (1,888.94 km) |
| Sintra to Conversano | 1,407.79 mi (2,265.62 km) |
| Sintra to Copertino | 1,459.83 mi (2,349.36 km) |
| Sintra to Copparo | 1,166.49 mi (1,877.28 km) |
