| Oswego to Cividale del Friuli | 4,702.90 mi (7,568.59 km) |
| Oswego to Civita Castellana | 4,826.01 mi (7,766.71 km) |
| Oswego to Civitanova Marche | 4,834.85 mi (7,780.93 km) |
| Oswego to Civitavecchia | 4,809.99 mi (7,740.93 km) |
| Oswego to Civitella in Val di Chiana | 4,750.49 mi (7,645.18 km) |
| Oswego to Clusone | 4,578.52 mi (7,368.41 km) |
| Oswego to Coccaglio | 4,592.69 mi (7,391.22 km) |
| Oswego to Codigoro | 4,706.19 mi (7,573.88 km) |
| Oswego to Codogno | 4,598.49 mi (7,400.55 km) |
| Oswego to Codroipo | 4,691.54 mi (7,550.31 km) |
| Oswego to Cogoleto | 4,587.95 mi (7,383.60 km) |
| Oswego to Colle di Val d'Elsa | 4,728.05 mi (7,609.06 km) |
| Oswego to Colle Salvetti | 4,693.78 mi (7,553.91 km) |
| Oswego to Collecchio | 4,635.45 mi (7,460.03 km) |
| Oswego to Colleferro | 4,874.65 mi (7,844.99 km) |
