| Mercer Island to Central Point (Oregon) | 360.10 mi (579.53 km) |
| Mercer Island to Centralia (Illinois) | 1,768.56 mi (2,846.22 km) |
| Mercer Island to Centralia (Washington) | 67.83 mi (109.16 km) |
| Mercer Island to Centreville (Virginia) | 2,300.66 mi (3,702.55 km) |
| Mercer Island to Ceres (California) | 691.92 mi (1,113.54 km) |
| Mercer Island to Cerritos (California) | 970.87 mi (1,562.46 km) |
| Mercer Island to Chalco (Nebraska) | 1,354.59 mi (2,180.00 km) |
| Mercer Island to Chalmette (Louisiana) | 2,098.30 mi (3,376.88 km) |
| Mercer Island to Chambersburg (Pennsylvania) | 2,253.65 mi (3,626.90 km) |
| Mercer Island to Chamblee (Georgia) | 2,171.49 mi (3,494.68 km) |
| Mercer Island to Champaign (Illinois) | 1,753.03 mi (2,821.24 km) |
| Mercer Island to Champlin (Minnesota) | 1,376.92 mi (2,215.95 km) |
| Mercer Island to Chandler (Arizona) | 1,125.53 mi (1,811.37 km) |
| Mercer Island to Chanhassen (Minnesota) | 1,375.55 mi (2,213.73 km) |
| Mercer Island to Channahon (Illinois) | 1,712.45 mi (2,755.92 km) |
