| Idar-Oberstein to Chantilly (Virginia) | 4,031.01 mi (6,487.29 km) |
| Idar-Oberstein to Chaparral (New Mexico) | 5,484.85 mi (8,827.02 km) |
| Idar-Oberstein to Chapel Hill (North Carolina) | 4,232.41 mi (6,811.41 km) |
| Idar-Oberstein to Charleston (Illinois) | 4,426.78 mi (7,124.22 km) |
| Idar-Oberstein to Charleston (South Carolina) | 4,418.44 mi (7,110.79 km) |
| Idar-Oberstein to Charleston (West Virginia) | 4,224.66 mi (6,798.93 km) |
| Idar-Oberstein to Charlotte (North Carolina) | 4,339.90 mi (6,984.40 km) |
| Idar-Oberstein to Charlottesville (Virginia) | 4,112.01 mi (6,617.64 km) |
| Idar-Oberstein to Chaska (Minnesota) | 4,367.33 mi (7,028.54 km) |
| Idar-Oberstein to Chatham (Illinois) | 4,475.12 mi (7,202.02 km) |
| Idar-Oberstein to Chattanooga (Tennessee) | 4,526.06 mi (7,283.99 km) |
| Idar-Oberstein to Cheat Lake (West Virginia) | 4,092.86 mi (6,586.82 km) |
| Idar-Oberstein to Chelsea (Alabama) | 4,667.03 mi (7,510.85 km) |
| Idar-Oberstein to Chelsea (Massachusetts) | 3,617.30 mi (5,821.48 km) |
| Idar-Oberstein to Cheney (Washington) | 4,960.81 mi (7,983.65 km) |
