| Donostia to Centralia (Illinois) | 4,345.42 mi (6,993.28 km) |
| Donostia to Centralia (Washington) | 5,247.96 mi (8,445.77 km) |
| Donostia to Centreville (Virginia) | 3,805.14 mi (6,123.78 km) |
| Donostia to Ceres (California) | 5,665.36 mi (9,117.51 km) |
| Donostia to Cerritos (California) | 5,755.44 mi (9,262.49 km) |
| Donostia to Chalco (Nebraska) | 4,537.03 mi (7,301.64 km) |
| Donostia to Chalmette (Louisiana) | 4,740.94 mi (7,629.81 km) |
| Donostia to Chambersburg (Pennsylvania) | 3,776.79 mi (6,078.15 km) |
| Donostia to Chamblee (Georgia) | 4,311.83 mi (6,939.22 km) |
| Donostia to Champaign (Illinois) | 4,245.40 mi (6,832.30 km) |
| Donostia to Champlin (Minnesota) | 4,263.72 mi (6,861.79 km) |
| Donostia to Chandler (Arizona) | 5,543.08 mi (8,920.73 km) |
| Donostia to Chanhassen (Minnesota) | 4,282.97 mi (6,892.77 km) |
| Donostia to Channahon (Illinois) | 4,194.37 mi (6,750.18 km) |
| Donostia to Channelview (Texas) | 4,985.82 mi (8,023.91 km) |
