| Oswego to Chojnice | 4,524.62 mi (7,281.67 km) |
| Oswego to Chojnow | 4,573.88 mi (7,360.94 km) |
| Oswego to Chorzow | 4,718.42 mi (7,593.56 km) |
| Oswego to Choszczno | 4,477.07 mi (7,205.14 km) |
| Oswego to Chrzanow | 4,741.06 mi (7,630.00 km) |
| Oswego to Ciechanow | 4,659.82 mi (7,499.26 km) |
| Oswego to Ciechocinek | 4,599.58 mi (7,402.31 km) |
| Oswego to Cieszyn | 4,731.98 mi (7,615.39 km) |
| Oswego to Czarna Bialostocka | 4,723.36 mi (7,601.51 km) |
| Oswego to Czarnkow | 4,526.29 mi (7,284.35 km) |
| Oswego to Czechowice-Dziedzice | 4,737.50 mi (7,624.27 km) |
| Oswego to Czeladz | 4,721.45 mi (7,598.45 km) |
| Oswego to Czersk Pomorski | 4,534.32 mi (7,297.29 km) |
| Oswego to Czestochowa | 4,701.91 mi (7,566.99 km) |
| Oswego to Czluchow | 4,520.10 mi (7,274.40 km) |
