| Idar-Oberstein to Centralia (Illinois) | 4,509.58 mi (7,257.47 km) |
| Idar-Oberstein to Centralia (Washington) | 5,141.32 mi (8,274.15 km) |
| Idar-Oberstein to Centreville (Virginia) | 4,032.91 mi (6,490.35 km) |
| Idar-Oberstein to Ceres (California) | 5,630.37 mi (9,061.21 km) |
| Idar-Oberstein to Cerritos (California) | 5,765.31 mi (9,278.37 km) |
| Idar-Oberstein to Chalco (Nebraska) | 4,636.36 mi (7,461.50 km) |
| Idar-Oberstein to Chalmette (Louisiana) | 4,971.64 mi (8,001.08 km) |
| Idar-Oberstein to Chambersburg (Pennsylvania) | 3,992.53 mi (6,425.36 km) |
| Idar-Oberstein to Chamblee (Georgia) | 4,545.34 mi (7,315.02 km) |
| Idar-Oberstein to Champaign (Illinois) | 4,400.07 mi (7,081.23 km) |
| Idar-Oberstein to Champlin (Minnesota) | 4,342.56 mi (6,988.68 km) |
| Idar-Oberstein to Chandler (Arizona) | 5,601.64 mi (9,014.97 km) |
| Idar-Oberstein to Chanhassen (Minnesota) | 4,363.84 mi (7,022.92 km) |
| Idar-Oberstein to Channahon (Illinois) | 4,336.97 mi (6,979.68 km) |
| Idar-Oberstein to Channelview (Texas) | 5,184.44 mi (8,343.55 km) |
