| Efringen-Kirchen to Crest Hill (Illinois) | 4,412.20 mi (7,100.75 km) |
| Efringen-Kirchen to Crestview (Florida) | 4,861.70 mi (7,824.14 km) |
| Efringen-Kirchen to Crestwood (Illinois) | 4,394.45 mi (7,072.18 km) |
| Efringen-Kirchen to Crestwood (Missouri) | 4,641.50 mi (7,469.77 km) |
| Efringen-Kirchen to Creve Coeur (Missouri) | 4,639.01 mi (7,465.77 km) |
| Efringen-Kirchen to Crofton (Maryland) | 4,063.95 mi (6,540.29 km) |
| Efringen-Kirchen to Crossville (Tennessee) | 4,549.25 mi (7,321.31 km) |
| Efringen-Kirchen to Crowley (Louisiana) | 5,129.94 mi (8,255.84 km) |
| Efringen-Kirchen to Crowley (Texas) | 5,210.77 mi (8,385.93 km) |
| Efringen-Kirchen to Crown Point (Indiana) | 4,389.76 mi (7,064.63 km) |
| Efringen-Kirchen to Crystal (Minnesota) | 4,446.66 mi (7,156.21 km) |
| Efringen-Kirchen to Crystal Lake (Illinois) | 4,390.43 mi (7,065.71 km) |
| Efringen-Kirchen to Cudahy (California) | 5,875.47 mi (9,455.66 km) |
| Efringen-Kirchen to Cudahy (Wisconsin) | 4,339.89 mi (6,984.38 km) |
| Efringen-Kirchen to Cullman (Alabama) | 4,707.82 mi (7,576.51 km) |
