| Mercer Island to Candler-McAfee (Georgia) | 2,179.40 mi (3,507.40 km) |
| Mercer Island to Caño Martin Peña (Puerto Rico) | 3,722.06 mi (5,990.07 km) |
| Mercer Island to Cañon City (Colorado) | 1,062.08 mi (1,709.25 km) |
| Mercer Island to Canóvanas (Puerto Rico) | 3,731.94 mi (6,005.98 km) |
| Mercer Island to Canton (Georgia) | 2,147.76 mi (3,456.49 km) |
| Mercer Island to Canton (Illinois) | 1,656.32 mi (2,665.59 km) |
| Mercer Island to Canton (Mississippi) | 1,970.68 mi (3,171.50 km) |
| Mercer Island to Canton (Ohio) | 2,052.56 mi (3,303.28 km) |
| Mercer Island to Canyon (Texas) | 1,359.21 mi (2,187.43 km) |
| Mercer Island to Canyon Lake (California) | 993.09 mi (1,598.22 km) |
| Mercer Island to Canyon Lake (Texas) | 1,764.93 mi (2,840.38 km) |
| Mercer Island to Cape Coral (Florida) | 2,603.87 mi (4,190.52 km) |
| Mercer Island to Cape Girardeau (Missouri) | 1,793.57 mi (2,886.47 km) |
| Mercer Island to Carbondale (Illinois) | 1,793.38 mi (2,886.16 km) |
| Mercer Island to Carlisle (Pennsylvania) | 2,265.88 mi (3,646.58 km) |
