| Idylwood to Cordele (Georgia) | 604.64 mi (973.08 km) |
| Idylwood to Corinth (Mississippi) | 680.85 mi (1,095.72 km) |
| Idylwood to Corinth (Texas) | 1,175.95 mi (1,892.50 km) |
| Idylwood to Cornelius (North Carolina) | 310.89 mi (500.32 km) |
| Idylwood to Cornelius (Oregon) | 2,357.60 mi (3,794.19 km) |
| Idylwood to Corning (New York) | 225.20 mi (362.43 km) |
| Idylwood to Corona (California) | 2,253.39 mi (3,626.49 km) |
| Idylwood to Coronado (California) | 2,262.09 mi (3,640.49 km) |
| Idylwood to Corpus Christi (Texas) | 1,391.95 mi (2,240.13 km) |
| Idylwood to Corsicana (Texas) | 1,178.21 mi (1,896.15 km) |
| Idylwood to Cortland (New York) | 261.96 mi (421.59 km) |
| Idylwood to Corvallis (Oregon) | 2,375.68 mi (3,823.29 km) |
| Idylwood to Coshocton (Ohio) | 264.75 mi (426.07 km) |
| Idylwood to Costa Mesa (California) | 2,276.90 mi (3,664.32 km) |
| Idylwood to Coto de Caza (California) | 2,261.08 mi (3,638.86 km) |
