| Lake Oswego to Campo de Criptana | 5,484.85 mi (8,827.01 km) |
| Lake Oswego to Campos del Puerto | 5,679.21 mi (9,139.80 km) |
| Lake Oswego to Canals | 5,591.77 mi (8,999.09 km) |
| Lake Oswego to Candelaria | 5,564.03 mi (8,954.44 km) |
| Lake Oswego to Canet de Mar | 5,544.16 mi (8,922.46 km) |
| Lake Oswego to Cangas | 5,142.88 mi (8,276.67 km) |
| Lake Oswego to Cangas de Narcea | 5,170.86 mi (8,321.70 km) |
| Lake Oswego to Canovellas | 5,533.60 mi (8,905.47 km) |
| Lake Oswego to Canteras | 5,651.13 mi (9,094.61 km) |
| Lake Oswego to Cantillana | 5,489.67 mi (8,834.78 km) |
| Lake Oswego to Capdepera | 5,676.61 mi (9,135.62 km) |
| Lake Oswego to Carballo | 5,097.18 mi (8,203.12 km) |
| Lake Oswego to Carcagente | 5,587.28 mi (8,991.86 km) |
| Lake Oswego to Cardedeu | 5,534.66 mi (8,907.17 km) |
| Lake Oswego to Carlet | 5,579.20 mi (8,978.86 km) |
