| Idar-Oberstein to Culpeper (Virginia) | 4,072.47 mi (6,554.01 km) |
| Idar-Oberstein to Culver City (California) | 5,767.18 mi (9,281.39 km) |
| Idar-Oberstein to Cumberland (Maryland) | 4,049.55 mi (6,517.12 km) |
| Idar-Oberstein to Cupertino (California) | 5,677.21 mi (9,136.58 km) |
| Idar-Oberstein to Cutler Bay (Florida) | 4,789.15 mi (7,707.40 km) |
| Idar-Oberstein to Cutlerville (Michigan) | 4,173.13 mi (6,716.00 km) |
| Idar-Oberstein to Cuyahoga Falls (Ohio) | 4,090.55 mi (6,583.10 km) |
| Idar-Oberstein to Cypress (California) | 5,767.36 mi (9,281.68 km) |
| Idar-Oberstein to Cypress Gardens (Florida) | 4,725.96 mi (7,605.70 km) |
| Idar-Oberstein to Cypress Lake (Florida) | 4,808.05 mi (7,737.81 km) |
| Idar-Oberstein to D'Iberville (Mississippi) | 4,901.78 mi (7,888.65 km) |
| Idar-Oberstein to Dakota Ridge (Colorado) | 5,027.84 mi (8,091.53 km) |
| Idar-Oberstein to Dale City (Virginia) | 4,037.79 mi (6,498.20 km) |
| Idar-Oberstein to Dallas (Georgia) | 4,565.78 mi (7,347.92 km) |
| Idar-Oberstein to Dallas (Oregon) | 5,256.81 mi (8,460.01 km) |
