| Lake Oswego to Castelletto sopra Ticino | 5,477.18 mi (8,814.67 km) |
| Lake Oswego to Castelli Calepio | 5,514.52 mi (8,874.76 km) |
| Lake Oswego to Castelnovo ne' Monti | 5,597.99 mi (9,009.09 km) |
| Lake Oswego to Castelnuovo Berardenga | 5,690.60 mi (9,158.14 km) |
| Lake Oswego to Castelnuovo di Porto | 5,788.51 mi (9,315.71 km) |
| Lake Oswego to Castelnuovo di Verona | 5,548.17 mi (8,928.92 km) |
| Lake Oswego to Castelnuovo Rangone | 5,604.66 mi (9,019.83 km) |
| Lake Oswego to Castelvetrano | 6,063.38 mi (9,758.07 km) |
| Lake Oswego to Castelvetro di Modena | 5,608.05 mi (9,025.28 km) |
| Lake Oswego to Castenaso | 5,620.60 mi (9,045.48 km) |
| Lake Oswego to Castenedolo | 5,534.15 mi (8,906.36 km) |
| Lake Oswego to Castiglion Fiorentino | 5,701.34 mi (9,175.43 km) |
| Lake Oswego to Castiglione del Lago | 5,716.87 mi (9,200.41 km) |
| Lake Oswego to Castiglione delle Stiviere | 5,543.44 mi (8,921.30 km) |
| Lake Oswego to Castrolibero | 6,052.16 mi (9,740.00 km) |
