| Donostia to Crest Hill (Illinois) | 4,182.23 mi (6,730.64 km) |
| Donostia to Crestview (Florida) | 4,547.66 mi (7,318.75 km) |
| Donostia to Crestwood (Illinois) | 4,163.37 mi (6,700.30 km) |
| Donostia to Crestwood (Missouri) | 4,399.24 mi (7,079.89 km) |
| Donostia to Creve Coeur (Missouri) | 4,397.83 mi (7,077.62 km) |
| Donostia to Crofton (Maryland) | 3,763.86 mi (6,057.36 km) |
| Donostia to Crossville (Tennessee) | 4,263.13 mi (6,860.84 km) |
| Donostia to Crowley (Louisiana) | 4,841.03 mi (7,790.88 km) |
| Donostia to Crowley (Texas) | 4,962.50 mi (7,986.38 km) |
| Donostia to Crown Point (Indiana) | 4,155.10 mi (6,686.99 km) |
| Donostia to Crystal (Minnesota) | 4,267.66 mi (6,868.13 km) |
| Donostia to Crystal Lake (Illinois) | 4,166.64 mi (6,705.56 km) |
| Donostia to Cudahy (California) | 5,754.79 mi (9,261.44 km) |
| Donostia to Cudahy (Wisconsin) | 4,119.69 mi (6,630.01 km) |
| Donostia to Cullman (Alabama) | 4,417.78 mi (7,109.73 km) |
