| Sintra to Coldwater (Michigan) | 3,851.55 mi (6,198.48 km) |
| Sintra to Colesville (Maryland) | 3,543.75 mi (5,703.12 km) |
| Sintra to College (Alaska) | 4,930.37 mi (7,934.67 km) |
| Sintra to College Park (Georgia) | 4,080.41 mi (6,566.79 km) |
| Sintra to College Park (Maryland) | 3,542.46 mi (5,701.04 km) |
| Sintra to College Station (Texas) | 4,781.64 mi (7,695.31 km) |
| Sintra to Collegedale (Tennessee) | 4,063.37 mi (6,539.36 km) |
| Sintra to Colleyville (Texas) | 4,735.69 mi (7,621.35 km) |
| Sintra to Collierville (Tennessee) | 4,293.93 mi (6,910.41 km) |
| Sintra to Collinsville (Illinois) | 4,187.71 mi (6,739.47 km) |
| Sintra to Colonia (New Jersey) | 3,372.73 mi (5,427.89 km) |
| Sintra to Colonial Heights (Virginia) | 3,612.90 mi (5,814.40 km) |
| Sintra to Colonial Park (Pennsylvania) | 3,502.38 mi (5,636.54 km) |
| Sintra to Colorado Springs (Colorado) | 4,860.23 mi (7,821.79 km) |
| Sintra to Colton (California) | 5,614.26 mi (9,035.28 km) |
