| Mercer Island to Chojnice | 5,054.45 mi (8,134.36 km) |
| Mercer Island to Chojnow | 5,172.33 mi (8,324.06 km) |
| Mercer Island to Chorzow | 5,291.32 mi (8,515.56 km) |
| Mercer Island to Choszczno | 5,046.21 mi (8,121.09 km) |
| Mercer Island to Chrzanow | 5,310.31 mi (8,546.12 km) |
| Mercer Island to Ciechanow | 5,162.06 mi (8,307.54 km) |
| Mercer Island to Ciechocinek | 5,127.72 mi (8,252.27 km) |
| Mercer Island to Cieszyn | 5,319.39 mi (8,560.74 km) |
| Mercer Island to Czarna Bialostocka | 5,179.73 mi (8,335.97 km) |
| Mercer Island to Czarnkow | 5,084.91 mi (8,183.37 km) |
| Mercer Island to Czechowice-Dziedzice | 5,316.49 mi (8,556.06 km) |
| Mercer Island to Czeladz | 5,291.80 mi (8,516.33 km) |
| Mercer Island to Czersk Pomorski | 5,056.59 mi (8,137.79 km) |
| Mercer Island to Czestochowa | 5,263.38 mi (8,470.60 km) |
| Mercer Island to Czluchow | 5,053.08 mi (8,132.15 km) |
