| Idylwood to Carlsbad (California) | 2,256.75 mi (3,631.88 km) |
| Idylwood to Carlsbad (New Mexico) | 1,576.04 mi (2,536.40 km) |
| Idylwood to Carmel (Indiana) | 482.68 mi (776.80 km) |
| Idylwood to Carmichael (California) | 2,353.34 mi (3,787.33 km) |
| Idylwood to Carney (Maryland) | 51.03 mi (82.12 km) |
| Idylwood to Carnot-Moon (Pennsylvania) | 195.70 mi (314.96 km) |
| Idylwood to Carol Stream (Illinois) | 611.17 mi (983.59 km) |
| Idylwood to Carolina (Puerto Rico) | 1,567.40 mi (2,522.49 km) |
| Idylwood to Carolina Forest (South Carolina) | 366.58 mi (589.95 km) |
| Idylwood to Carpentersville (Illinois) | 623.08 mi (1,002.75 km) |
| Idylwood to Carpinteria (California) | 2,344.80 mi (3,773.59 km) |
| Idylwood to Carrboro (North Carolina) | 229.34 mi (369.08 km) |
| Idylwood to Carroll (Iowa) | 951.84 mi (1,531.84 km) |
| Idylwood to Carrollton (Georgia) | 571.66 mi (920.00 km) |
| Idylwood to Carrollton (Texas) | 1,171.78 mi (1,885.80 km) |
