| Mercer Island to Crawfordsville (Indiana) | 1,819.38 mi (2,928.01 km) |
| Mercer Island to Crest Hill (Illinois) | 1,714.78 mi (2,759.66 km) |
| Mercer Island to Crestview (Florida) | 2,207.38 mi (3,552.43 km) |
| Mercer Island to Crestwood (Illinois) | 1,729.97 mi (2,784.12 km) |
| Mercer Island to Crestwood (Missouri) | 1,709.52 mi (2,751.21 km) |
| Mercer Island to Creve Coeur (Missouri) | 1,702.74 mi (2,740.30 km) |
| Mercer Island to Crofton (Maryland) | 2,329.97 mi (3,749.73 km) |
| Mercer Island to Crossville (Tennessee) | 2,054.10 mi (3,305.76 km) |
| Mercer Island to Crowley (Louisiana) | 1,983.19 mi (3,191.63 km) |
| Mercer Island to Crowley (Texas) | 1,661.23 mi (2,673.49 km) |
| Mercer Island to Crown Point (Indiana) | 1,755.26 mi (2,824.81 km) |
| Mercer Island to Crystal (Minnesota) | 1,381.08 mi (2,222.64 km) |
| Mercer Island to Crystal Lake (Illinois) | 1,685.11 mi (2,711.93 km) |
| Mercer Island to Cudahy (California) | 963.11 mi (1,549.97 km) |
| Mercer Island to Cudahy (Wisconsin) | 1,687.34 mi (2,715.50 km) |
