| Efringen-Kirchen to Chantilly (Virginia) | 4,101.59 mi (6,600.87 km) |
| Efringen-Kirchen to Chaparral (New Mexico) | 5,581.54 mi (8,982.63 km) |
| Efringen-Kirchen to Chapel Hill (North Carolina) | 4,299.43 mi (6,919.27 km) |
| Efringen-Kirchen to Charleston (Illinois) | 4,511.46 mi (7,260.49 km) |
| Efringen-Kirchen to Charleston (South Carolina) | 4,481.02 mi (7,211.51 km) |
| Efringen-Kirchen to Charleston (West Virginia) | 4,299.47 mi (6,919.34 km) |
| Efringen-Kirchen to Charlotte (North Carolina) | 4,408.01 mi (7,094.01 km) |
| Efringen-Kirchen to Charlottesville (Virginia) | 4,182.27 mi (6,730.72 km) |
| Efringen-Kirchen to Chaska (Minnesota) | 4,466.00 mi (7,187.33 km) |
| Efringen-Kirchen to Chatham (Illinois) | 4,561.86 mi (7,341.61 km) |
| Efringen-Kirchen to Chattanooga (Tennessee) | 4,599.80 mi (7,402.67 km) |
| Efringen-Kirchen to Cheat Lake (West Virginia) | 4,167.91 mi (6,707.60 km) |
| Efringen-Kirchen to Chelsea (Alabama) | 4,739.74 mi (7,627.87 km) |
| Efringen-Kirchen to Chelsea (Massachusetts) | 3,687.33 mi (5,934.18 km) |
| Efringen-Kirchen to Cheney (Washington) | 5,083.23 mi (8,180.67 km) |
