| Sintra to Cedar Rapids (Iowa) | 4,160.49 mi (6,695.66 km) |
| Sintra to Cedarburg (Wisconsin) | 3,951.57 mi (6,359.44 km) |
| Sintra to Celebration (Florida) | 4,112.00 mi (6,617.63 km) |
| Sintra to Celina (Ohio) | 3,870.57 mi (6,229.08 km) |
| Sintra to Celina (Texas) | 4,702.50 mi (7,567.95 km) |
| Sintra to Centennial (Colorado) | 4,836.61 mi (7,783.78 km) |
| Sintra to Center Point (Alabama) | 4,191.94 mi (6,746.27 km) |
| Sintra to Centereach (New York) | 3,305.57 mi (5,319.80 km) |
| Sintra to Centerton (Arkansas) | 4,471.26 mi (7,195.79 km) |
| Sintra to Centerville (Ohio) | 3,877.32 mi (6,239.94 km) |
| Sintra to Centerville (Utah) | 5,082.21 mi (8,179.03 km) |
| Sintra to Central (Louisiana) | 4,519.70 mi (7,273.76 km) |
| Sintra to Central Falls (Rhode Island) | 3,199.99 mi (5,149.89 km) |
| Sintra to Central Islip (New York) | 3,313.06 mi (5,331.86 km) |
| Sintra to Central Point (Oregon) | 5,451.39 mi (8,773.16 km) |
