| Mercer Island to Celano | 5,679.31 mi (9,139.97 km) |
| Mercer Island to Cento | 5,464.02 mi (8,793.48 km) |
| Mercer Island to Cepagatti | 5,674.56 mi (9,132.32 km) |
| Mercer Island to Ceprano | 5,710.93 mi (9,190.85 km) |
| Mercer Island to Cercola | 5,772.97 mi (9,290.70 km) |
| Mercer Island to Cerea | 5,434.45 mi (8,745.90 km) |
| Mercer Island to Cerese | 5,432.00 mi (8,741.96 km) |
| Mercer Island to Cerignola | 5,785.57 mi (9,310.97 km) |
| Mercer Island to Cermenate | 5,352.04 mi (8,613.28 km) |
| Mercer Island to Cernusco sul Naviglio | 5,369.14 mi (8,640.79 km) |
| Mercer Island to Cerreto Guidi | 5,511.99 mi (8,870.69 km) |
| Mercer Island to Cerro Maggiore | 5,354.60 mi (8,617.40 km) |
| Mercer Island to Certaldo | 5,529.03 mi (8,898.12 km) |
| Mercer Island to Cerveteri | 5,648.55 mi (9,090.46 km) |
| Mercer Island to Cervia | 5,518.62 mi (8,881.36 km) |
