| Efringen-Kirchen to Commerce City (Colorado) | 5,108.73 mi (8,221.71 km) |
| Efringen-Kirchen to Compton (California) | 5,880.92 mi (9,464.42 km) |
| Efringen-Kirchen to Comstock Park (Michigan) | 4,251.62 mi (6,842.32 km) |
| Efringen-Kirchen to Concord (California) | 5,756.06 mi (9,263.48 km) |
| Efringen-Kirchen to Concord (Missouri) | 4,642.83 mi (7,471.92 km) |
| Efringen-Kirchen to Concord (New Hampshire) | 3,676.71 mi (5,917.09 km) |
| Efringen-Kirchen to Concord (North Carolina) | 4,391.38 mi (7,067.24 km) |
| Efringen-Kirchen to Conneaut (Ohio) | 4,098.90 mi (6,596.54 km) |
| Efringen-Kirchen to Connersville (Indiana) | 4,382.92 mi (7,053.64 km) |
| Efringen-Kirchen to Conroe (Texas) | 5,251.20 mi (8,450.98 km) |
| Efringen-Kirchen to Converse (Texas) | 5,406.26 mi (8,700.53 km) |
| Efringen-Kirchen to Conway (Arkansas) | 4,892.61 mi (7,873.90 km) |
| Efringen-Kirchen to Conway (Florida) | 4,743.41 mi (7,633.78 km) |
| Efringen-Kirchen to Conway (South Carolina) | 4,394.11 mi (7,071.63 km) |
| Efringen-Kirchen to Conyers (Georgia) | 4,613.35 mi (7,424.47 km) |
