| Mercer Island to Carlsbad (California) | 1,030.72 mi (1,658.78 km) |
| Mercer Island to Carlsbad (New Mexico) | 1,409.14 mi (2,267.79 km) |
| Mercer Island to Carmel (Indiana) | 1,856.92 mi (2,988.43 km) |
| Mercer Island to Carmichael (California) | 618.98 mi (996.15 km) |
| Mercer Island to Carney (Maryland) | 2,323.94 mi (3,740.03 km) |
| Mercer Island to Carnot-Moon (Pennsylvania) | 2,115.28 mi (3,404.21 km) |
| Mercer Island to Carol Stream (Illinois) | 1,703.72 mi (2,741.87 km) |
| Mercer Island to Carolina (Puerto Rico) | 3,726.58 mi (5,997.35 km) |
| Mercer Island to Carolina Forest (South Carolina) | 2,424.12 mi (3,901.24 km) |
| Mercer Island to Carpentersville (Illinois) | 1,690.40 mi (2,720.43 km) |
| Mercer Island to Carpinteria (California) | 920.79 mi (1,481.87 km) |
| Mercer Island to Carrboro (North Carolina) | 2,330.19 mi (3,750.07 km) |
| Mercer Island to Carroll (Iowa) | 1,385.91 mi (2,230.40 km) |
| Mercer Island to Carrollton (Georgia) | 2,148.60 mi (3,457.83 km) |
| Mercer Island to Carrollton (Texas) | 1,659.76 mi (2,671.12 km) |
