| Oswego to Cortona | 4,767.24 mi (7,672.13 km) |
| Oswego to Cosenza | 5,112.83 mi (8,228.31 km) |
| Oswego to Cossato | 4,521.49 mi (7,276.63 km) |
| Oswego to Costa Volpino | 4,586.46 mi (7,381.20 km) |
| Oswego to Creazzo | 4,652.31 mi (7,487.17 km) |
| Oswego to Crema | 4,589.19 mi (7,385.59 km) |
| Oswego to Cremona | 4,612.46 mi (7,423.04 km) |
| Oswego to Crevalcore | 4,673.44 mi (7,521.17 km) |
| Oswego to Crispiano | 5,092.60 mi (8,195.74 km) |
| Oswego to Crosia | 5,121.36 mi (8,242.04 km) |
| Oswego to Crotone | 5,157.52 mi (8,300.23 km) |
| Oswego to Cuneo | 4,544.26 mi (7,313.29 km) |
| Oswego to Cuorgne | 4,508.08 mi (7,255.06 km) |
| Oswego to Cusano Milanino | 4,562.15 mi (7,342.06 km) |
| Oswego to Cutro | 5,154.47 mi (8,295.31 km) |
