| Idanha-a-Nova to Culpeper (Virginia) | 3,685.75 mi (5,931.65 km) |
| Idanha-a-Nova to Culver City (California) | 5,704.99 mi (9,181.29 km) |
| Idanha-a-Nova to Cumberland (Maryland) | 3,687.76 mi (5,934.88 km) |
| Idanha-a-Nova to Cupertino (California) | 5,690.27 mi (9,157.60 km) |
| Idanha-a-Nova to Cutler Bay (Florida) | 4,244.96 mi (6,831.60 km) |
| Idanha-a-Nova to Cutlerville (Michigan) | 3,917.66 mi (6,304.86 km) |
| Idanha-a-Nova to Cuyahoga Falls (Ohio) | 3,775.18 mi (6,075.56 km) |
| Idanha-a-Nova to Cypress (California) | 5,699.17 mi (9,171.93 km) |
| Idanha-a-Nova to Cypress Gardens (Florida) | 4,223.81 mi (6,797.57 km) |
| Idanha-a-Nova to Cypress Lake (Florida) | 4,289.70 mi (6,903.61 km) |
| Idanha-a-Nova to D'Iberville (Mississippi) | 4,497.31 mi (7,237.73 km) |
| Idanha-a-Nova to Dakota Ridge (Colorado) | 4,895.57 mi (7,878.65 km) |
| Idanha-a-Nova to Dale City (Virginia) | 3,648.57 mi (5,871.81 km) |
| Idanha-a-Nova to Dallas (Georgia) | 4,170.16 mi (6,711.22 km) |
| Idanha-a-Nova to Dallas (Oregon) | 5,363.13 mi (8,631.12 km) |
