| Lake Oswego to Carpentras | 5,476.28 mi (8,813.22 km) |
| Lake Oswego to Carquefou | 5,108.58 mi (8,221.47 km) |
| Lake Oswego to Carqueiranne | 5,560.00 mi (8,947.95 km) |
| Lake Oswego to Carrieres-sous-Poissy | 5,118.19 mi (8,236.94 km) |
| Lake Oswego to Carrieres-sur-Seine | 5,127.04 mi (8,251.18 km) |
| Lake Oswego to Carros | 5,551.86 mi (8,934.85 km) |
| Lake Oswego to Carvin | 5,057.16 mi (8,138.72 km) |
| Lake Oswego to Castanet-Tolosan | 5,404.12 mi (8,697.09 km) |
| Lake Oswego to Castelginest | 5,392.28 mi (8,678.04 km) |
| Lake Oswego to Castelnau-le-Lez | 5,467.52 mi (8,799.13 km) |
| Lake Oswego to Castelnaudary | 5,428.65 mi (8,736.56 km) |
| Lake Oswego to Castelsarrasin | 5,363.38 mi (8,631.53 km) |
| Lake Oswego to Castres | 5,421.63 mi (8,725.27 km) |
| Lake Oswego to Caudebec-les-Elbeuf | 5,072.05 mi (8,162.67 km) |
| Lake Oswego to Caudry | 5,089.51 mi (8,190.78 km) |
