| Lake Oswego to Cassina de' Pecchi | 5,507.77 mi (8,863.89 km) |
| Lake Oswego to Cassino | 5,860.35 mi (9,431.32 km) |
| Lake Oswego to Castagneto Carducci | 5,678.04 mi (9,137.92 km) |
| Lake Oswego to Castano Primo | 5,490.36 mi (8,835.88 km) |
| Lake Oswego to Castel Bolognese | 5,640.34 mi (9,077.25 km) |
| Lake Oswego to Castel Gandolfo | 5,815.56 mi (9,359.24 km) |
| Lake Oswego to Castel Goffredo | 5,548.82 mi (8,929.97 km) |
| Lake Oswego to Castel Maggiore | 5,614.60 mi (9,035.83 km) |
| Lake Oswego to Castel Mella | 5,528.70 mi (8,897.58 km) |
| Lake Oswego to Castel San Giorgio | 5,925.45 mi (9,536.09 km) |
| Lake Oswego to Castel San Giovanni | 5,536.84 mi (8,910.69 km) |
| Lake Oswego to Castel San Pietro Terme | 5,629.95 mi (9,060.53 km) |
| Lake Oswego to Castel Volturno | 5,889.65 mi (9,478.48 km) |
| Lake Oswego to Castelbuono | 6,083.01 mi (9,789.66 km) |
| Lake Oswego to Casteldaccia | 6,061.04 mi (9,754.30 km) |
