| Idil to Carson (California) | 7,355.84 mi (11,838.08 km) |
| Idil to Carson City (Nevada) | 7,024.42 mi (11,304.71 km) |
| Idil to Carteret (New Jersey) | 5,707.21 mi (9,184.87 km) |
| Idil to Cartersville (Georgia) | 6,426.21 mi (10,341.99 km) |
| Idil to Carthage (Missouri) | 6,579.91 mi (10,589.34 km) |
| Idil to Cary (Illinois) | 6,107.91 mi (9,829.73 km) |
| Idil to Cary (North Carolina) | 6,118.48 mi (9,846.74 km) |
| Idil to Casa de Oro-Mount Helix (California) | 7,405.18 mi (11,917.49 km) |
| Idil to Casa Grande (Arizona) | 7,295.07 mi (11,740.29 km) |
| Idil to Casas Adobes (Arizona) | 7,315.06 mi (11,772.45 km) |
| Idil to Cascades (Virginia) | 5,900.95 mi (9,496.66 km) |
| Idil to Casper (Wyoming) | 6,547.66 mi (10,537.43 km) |
| Idil to Casselberry (Florida) | 6,580.00 mi (10,589.48 km) |
| Idil to Castaic (California) | 7,319.06 mi (11,778.89 km) |
| Idil to Castle Pines (Colorado) | 6,726.07 mi (10,824.56 km) |
