| Oswego to Cadiz | 4,240.96 mi (6,825.17 km) |
| Oswego to Calafell | 4,419.39 mi (7,112.31 km) |
| Oswego to Calahorra | 4,225.00 mi (6,799.48 km) |
| Oswego to Calasparra | 4,388.56 mi (7,062.70 km) |
| Oswego to Calatayud | 4,274.32 mi (6,878.86 km) |
| Oswego to Caldas de Montbuy | 4,428.50 mi (7,126.98 km) |
| Oswego to Caldas de Reyes | 3,920.27 mi (6,309.07 km) |
| Oswego to Calella | 4,450.38 mi (7,162.20 km) |
| Oswego to Callosa de Segura | 4,429.74 mi (7,128.98 km) |
| Oswego to Calpe | 4,450.98 mi (7,163.17 km) |
| Oswego to Calvia | 4,523.76 mi (7,280.28 km) |
| Oswego to Camas | 4,221.15 mi (6,793.29 km) |
| Oswego to Cambados | 3,916.43 mi (6,302.88 km) |
| Oswego to Cambre | 3,911.52 mi (6,294.98 km) |
| Oswego to Cambrils | 4,402.29 mi (7,084.80 km) |
