| Donostia to Camas (Washington) | 5,290.65 mi (8,514.47 km) |
| Donostia to Cambridge (Maryland) | 3,752.17 mi (6,038.53 km) |
| Donostia to Cambridge (Massachusetts) | 3,397.40 mi (5,467.59 km) |
| Donostia to Camden (Arkansas) | 4,717.27 mi (7,591.71 km) |
| Donostia to Camden (New Jersey) | 3,659.42 mi (5,889.27 km) |
| Donostia to Cameron Park (California) | 5,609.18 mi (9,027.11 km) |
| Donostia to Camp Pendleton South (California) | 5,762.74 mi (9,274.24 km) |
| Donostia to Camp Springs (Maryland) | 3,782.32 mi (6,087.05 km) |
| Donostia to Camp Verde (Arizona) | 5,479.38 mi (8,818.21 km) |
| Donostia to Campbell (California) | 5,716.87 mi (9,200.42 km) |
| Donostia to Campbellsville (Kentucky) | 4,223.13 mi (6,796.47 km) |
| Donostia to Campton Hills (Illinois) | 4,180.91 mi (6,728.52 km) |
| Donostia to Canby (Oregon) | 5,316.38 mi (8,555.88 km) |
| Donostia to Candelaria (Puerto Rico) | 4,069.06 mi (6,548.52 km) |
| Donostia to Candler-McAfee (Georgia) | 4,316.84 mi (6,947.28 km) |
