| Donostia to Commerce City (Colorado) | 4,947.98 mi (7,963.01 km) |
| Donostia to Compton (California) | 5,760.12 mi (9,270.01 km) |
| Donostia to Comstock Park (Michigan) | 4,022.65 mi (6,473.84 km) |
| Donostia to Concord (California) | 5,681.62 mi (9,143.68 km) |
| Donostia to Concord (Missouri) | 4,400.15 mi (7,081.35 km) |
| Donostia to Concord (New Hampshire) | 3,391.83 mi (5,458.62 km) |
| Donostia to Concord (North Carolina) | 4,081.24 mi (6,568.12 km) |
| Donostia to Conneaut (Ohio) | 3,838.93 mi (6,178.16 km) |
| Donostia to Connersville (Indiana) | 4,124.76 mi (6,638.15 km) |
| Donostia to Conroe (Texas) | 4,978.85 mi (8,012.69 km) |
| Donostia to Converse (Texas) | 5,143.74 mi (8,278.05 km) |
| Donostia to Conway (Arkansas) | 4,635.96 mi (7,460.86 km) |
| Donostia to Conway (Florida) | 4,390.60 mi (7,065.99 km) |
| Donostia to Conway (South Carolina) | 4,065.85 mi (6,543.35 km) |
| Donostia to Conyers (Georgia) | 4,306.45 mi (6,930.56 km) |
