| Allouez to Chojnice | 4,365.41 mi (7,025.45 km) |
| Allouez to Chojnow | 4,420.18 mi (7,113.59 km) |
| Allouez to Chorzow | 4,563.67 mi (7,344.51 km) |
| Allouez to Choszczno | 4,320.47 mi (6,953.13 km) |
| Allouez to Chrzanow | 4,586.17 mi (7,380.73 km) |
| Allouez to Ciechanow | 4,499.48 mi (7,241.22 km) |
| Allouez to Ciechocinek | 4,440.73 mi (7,146.66 km) |
| Allouez to Cieszyn | 4,578.44 mi (7,368.29 km) |
| Allouez to Czarna Bialostocka | 4,560.24 mi (7,339.00 km) |
| Allouez to Czarnkow | 4,369.22 mi (7,031.58 km) |
| Allouez to Czechowice-Dziedzice | 4,583.34 mi (7,376.17 km) |
| Allouez to Czeladz | 4,566.53 mi (7,349.11 km) |
| Allouez to Czersk Pomorski | 4,374.63 mi (7,040.29 km) |
| Allouez to Czestochowa | 4,546.18 mi (7,316.36 km) |
| Allouez to Czluchow | 4,361.10 mi (7,018.51 km) |
