| Sintra to Cay | 2,161.32 mi (3,478.31 km) |
| Sintra to Caybasi | 2,439.14 mi (3,925.42 km) |
| Sintra to Caycuma | 2,177.56 mi (3,504.45 km) |
| Sintra to Cayeli | 2,622.39 mi (4,220.33 km) |
| Sintra to Cayiralan | 2,390.96 mi (3,847.87 km) |
| Sintra to Cayirhan | 2,173.51 mi (3,497.93 km) |
| Sintra to Cayirli | 2,609.08 mi (4,198.91 km) |
| Sintra to Cayirova | 2,045.25 mi (3,291.51 km) |
| Sintra to Caykara | 2,603.51 mi (4,189.95 km) |
| Sintra to Cekerek | 2,371.02 mi (3,815.79 km) |
| Sintra to Cekme | 2,032.94 mi (3,271.70 km) |
| Sintra to Celtik | 2,194.58 mi (3,531.83 km) |
| Sintra to Cerkes | 2,226.60 mi (3,583.37 km) |
| Sintra to Cerkezkoy | 1,969.86 mi (3,170.18 km) |
| Sintra to Cermik | 2,610.15 mi (4,200.64 km) |
