| Idylwood to Carrollwood (Florida) | 808.13 mi (1,300.57 km) |
| Idylwood to Carson (California) | 2,291.06 mi (3,687.10 km) |
| Idylwood to Carson City (Nevada) | 2,262.28 mi (3,640.79 km) |
| Idylwood to Carteret (New Jersey) | 196.81 mi (316.74 km) |
| Idylwood to Cartersville (Georgia) | 532.98 mi (857.74 km) |
| Idylwood to Carthage (Missouri) | 938.00 mi (1,509.57 km) |
| Idylwood to Cary (Illinois) | 623.00 mi (1,002.63 km) |
| Idylwood to Cary (North Carolina) | 232.29 mi (373.84 km) |
| Idylwood to Casa de Oro-Mount Helix (California) | 2,249.19 mi (3,619.72 km) |
| Idylwood to Casa Grande (Arizona) | 1,965.50 mi (3,163.17 km) |
| Idylwood to Casas Adobes (Arizona) | 1,940.10 mi (3,122.29 km) |
| Idylwood to Cascades (Virginia) | 14.59 mi (23.47 km) |
| Idylwood to Casper (Wyoming) | 1,537.67 mi (2,474.64 km) |
| Idylwood to Casselberry (Florida) | 744.89 mi (1,198.78 km) |
| Idylwood to Castaic (California) | 2,295.66 mi (3,694.52 km) |
