| Lake Oswego to Cockermouth | 4,666.65 mi (7,510.26 km) |
| Lake Oswego to Colchester | 4,926.37 mi (7,928.22 km) |
| Lake Oswego to Coleford | 4,836.82 mi (7,784.11 km) |
| Lake Oswego to Colne | 4,740.09 mi (7,628.44 km) |
| Lake Oswego to Colwyn Bay | 4,728.66 mi (7,610.04 km) |
| Lake Oswego to Congleton | 4,775.46 mi (7,685.36 km) |
| Lake Oswego to Conisbrough | 4,785.01 mi (7,700.73 km) |
| Lake Oswego to Connahs Quay | 4,749.88 mi (7,644.19 km) |
| Lake Oswego to Consett | 4,696.89 mi (7,558.92 km) |
| Lake Oswego to Conwy | 4,725.63 mi (7,605.16 km) |
| Lake Oswego to Cookstown | 4,575.97 mi (7,364.31 km) |
| Lake Oswego to Corby | 4,851.75 mi (7,808.14 km) |
| Lake Oswego to Corfe Mullen | 4,907.50 mi (7,897.86 km) |
| Lake Oswego to Corsham | 4,867.61 mi (7,833.66 km) |
| Lake Oswego to Coseley | 4,811.35 mi (7,743.12 km) |
