| Willow Grove to Chojnice | 4,152.17 mi (6,682.27 km) |
| Willow Grove to Chojnow | 4,172.16 mi (6,714.45 km) |
| Willow Grove to Chorzow | 4,319.72 mi (6,951.92 km) |
| Willow Grove to Choszczno | 4,091.56 mi (6,584.73 km) |
| Willow Grove to Chrzanow | 4,342.71 mi (6,988.91 km) |
| Willow Grove to Ciechanow | 4,291.37 mi (6,906.29 km) |
| Willow Grove to Ciechocinek | 4,224.01 mi (6,797.89 km) |
| Willow Grove to Cieszyn | 4,327.09 mi (6,963.77 km) |
| Willow Grove to Czarna Bialostocka | 4,369.68 mi (7,032.32 km) |
| Willow Grove to Czarnkow | 4,142.44 mi (6,666.61 km) |
| Willow Grove to Czechowice-Dziedzice | 4,335.58 mi (6,977.43 km) |
| Willow Grove to Czeladz | 4,323.60 mi (6,958.16 km) |
| Willow Grove to Czersk Pomorski | 4,164.36 mi (6,701.89 km) |
| Willow Grove to Czestochowa | 4,308.39 mi (6,933.68 km) |
| Willow Grove to Czluchow | 4,146.65 mi (6,673.38 km) |
