| Mercer Island to Caltagirone | 5,999.05 mi (9,654.54 km) |
| Mercer Island to Caltanissetta | 5,972.09 mi (9,611.16 km) |
| Mercer Island to Calvisano | 5,404.23 mi (8,697.28 km) |
| Mercer Island to Calvizzano | 5,766.87 mi (9,280.88 km) |
| Mercer Island to Camaiore | 5,487.42 mi (8,831.15 km) |
| Mercer Island to Cameri | 5,352.93 mi (8,614.71 km) |
| Mercer Island to Camisano Vicentino | 5,427.55 mi (8,734.79 km) |
| Mercer Island to Campagna | 5,803.40 mi (9,339.67 km) |
| Mercer Island to Campagnano di Roma | 5,647.57 mi (9,088.89 km) |
| Mercer Island to Campi Bisenzio | 5,515.22 mi (8,875.90 km) |
| Mercer Island to Campi Salentina | 5,888.27 mi (9,476.26 km) |
| Mercer Island to Campiglia Marittima | 5,547.14 mi (8,927.25 km) |
| Mercer Island to Campobasso | 5,737.83 mi (9,234.15 km) |
| Mercer Island to Campobello di Licata | 5,983.03 mi (9,628.75 km) |
| Mercer Island to Campobello di Mazara | 5,929.40 mi (9,542.44 km) |
