| Seattle to Cabestany | 5,361.89 mi (8,629.13 km) |
| Seattle to Cabries | 5,386.37 mi (8,668.53 km) |
| Seattle to Cachan | 4,998.77 mi (8,044.74 km) |
| Seattle to Caen | 4,904.49 mi (7,893.01 km) |
| Seattle to Cagnes-sur-Mer | 5,421.05 mi (8,724.34 km) |
| Seattle to Cahors | 5,218.73 mi (8,398.74 km) |
| Seattle to Calais | 4,865.71 mi (7,830.60 km) |
| Seattle to Caluire-et-Cuire | 5,236.09 mi (8,426.68 km) |
| Seattle to Cambrai | 4,944.34 mi (7,957.15 km) |
| Seattle to Canet-en-Roussillon | 5,362.31 mi (8,629.80 km) |
| Seattle to Cannes | 5,424.05 mi (8,729.16 km) |
| Seattle to Canteleu | 4,927.47 mi (7,930.00 km) |
| Seattle to Capbreton | 5,179.70 mi (8,335.92 km) |
| Seattle to Carcassonne | 5,314.77 mi (8,553.29 km) |
| Seattle to Carmaux | 5,261.68 mi (8,467.85 km) |
