| Oswego to Cockermouth | 3,767.45 mi (6,063.13 km) |
| Oswego to Colchester | 4,009.95 mi (6,453.39 km) |
| Oswego to Coleford | 3,879.65 mi (6,243.69 km) |
| Oswego to Colne | 3,834.19 mi (6,170.53 km) |
| Oswego to Colwyn Bay | 3,793.99 mi (6,105.84 km) |
| Oswego to Congleton | 3,853.26 mi (6,201.23 km) |
| Oswego to Conisbrough | 3,880.46 mi (6,244.99 km) |
| Oswego to Connahs Quay | 3,820.19 mi (6,148.01 km) |
| Oswego to Consett | 3,817.67 mi (6,143.95 km) |
| Oswego to Conwy | 3,789.40 mi (6,098.44 km) |
| Oswego to Cookstown | 3,643.29 mi (5,863.31 km) |
| Oswego to Corby | 3,930.65 mi (6,325.76 km) |
| Oswego to Corfe Mullen | 3,934.50 mi (6,331.97 km) |
| Oswego to Corsham | 3,907.21 mi (6,288.05 km) |
| Oswego to Coseley | 3,876.77 mi (6,239.06 km) |
