| Efringen-Kirchen to Cicero (Illinois) | 4,386.10 mi (7,058.74 km) |
| Efringen-Kirchen to Cimarron Hills (Colorado) | 5,156.67 mi (8,298.86 km) |
| Efringen-Kirchen to Cincinnati (Ohio) | 4,380.93 mi (7,050.43 km) |
| Efringen-Kirchen to Cinco Ranch (Texas) | 5,292.22 mi (8,517.00 km) |
| Efringen-Kirchen to Circleville (Ohio) | 4,296.35 mi (6,914.30 km) |
| Efringen-Kirchen to Citrus (California) | 5,857.39 mi (9,426.56 km) |
| Efringen-Kirchen to Citrus Heights (California) | 5,693.26 mi (9,162.41 km) |
| Efringen-Kirchen to Citrus Park (Florida) | 4,817.69 mi (7,753.33 km) |
| Efringen-Kirchen to Claiborne (Louisiana) | 5,007.07 mi (8,058.11 km) |
| Efringen-Kirchen to Claremont (California) | 5,851.34 mi (9,416.82 km) |
| Efringen-Kirchen to Claremont (New Hampshire) | 3,703.15 mi (5,959.64 km) |
| Efringen-Kirchen to Claremore (Oklahoma) | 4,953.95 mi (7,972.61 km) |
| Efringen-Kirchen to Clarksburg (Maryland) | 4,079.50 mi (6,565.32 km) |
| Efringen-Kirchen to Clarksburg (West Virginia) | 4,203.84 mi (6,765.43 km) |
| Efringen-Kirchen to Clarksdale (Mississippi) | 4,859.64 mi (7,820.84 km) |
