| Seia to Cloverly (Maryland) | 3,581.92 mi (5,764.55 km) |
| Seia to Clovis (California) | 5,579.92 mi (8,980.01 km) |
| Seia to Clovis (New Mexico) | 4,984.72 mi (8,022.12 km) |
| Seia to Clute (Texas) | 4,839.22 mi (7,787.97 km) |
| Seia to Coachella (California) | 5,585.02 mi (8,988.23 km) |
| Seia to Coalinga (California) | 5,638.54 mi (9,074.36 km) |
| Seia to Coamo (Puerto Rico) | 3,780.68 mi (6,084.42 km) |
| Seia to Coatesville (Pennsylvania) | 3,499.55 mi (5,631.97 km) |
| Seia to Cockeysville (Maryland) | 3,553.10 mi (5,718.16 km) |
| Seia to Cocoa (Florida) | 4,130.41 mi (6,647.26 km) |
| Seia to Cocoa Beach (Florida) | 4,125.07 mi (6,638.65 km) |
| Seia to Coconut Creek (Florida) | 4,179.52 mi (6,726.28 km) |
| Seia to Coeur d'Alene (Idaho) | 4,962.08 mi (7,985.70 km) |
| Seia to Cohoes (New York) | 3,324.72 mi (5,350.62 km) |
| Seia to Cold Springs (Nevada) | 5,453.28 mi (8,776.20 km) |
