| Lake Oswego to Chojnice | 5,199.91 mi (8,368.45 km) |
| Lake Oswego to Chojnow | 5,316.30 mi (8,555.76 km) |
| Lake Oswego to Chorzow | 5,436.24 mi (8,748.79 km) |
| Lake Oswego to Choszczno | 5,190.67 mi (8,353.58 km) |
| Lake Oswego to Chrzanow | 5,455.36 mi (8,779.56 km) |
| Lake Oswego to Ciechanow | 5,308.37 mi (8,543.00 km) |
| Lake Oswego to Ciechocinek | 5,273.38 mi (8,486.68 km) |
| Lake Oswego to Cieszyn | 5,464.00 mi (8,793.46 km) |
| Lake Oswego to Czarna Bialostocka | 5,327.00 mi (8,572.97 km) |
| Lake Oswego to Czarnkow | 5,229.73 mi (8,416.43 km) |
| Lake Oswego to Czechowice-Dziedzice | 5,461.31 mi (8,789.13 km) |
| Lake Oswego to Czeladz | 5,436.79 mi (8,749.67 km) |
| Lake Oswego to Czersk Pomorski | 5,202.23 mi (8,372.18 km) |
| Lake Oswego to Czestochowa | 5,408.53 mi (8,704.19 km) |
| Lake Oswego to Czluchow | 5,198.46 mi (8,366.11 km) |
