| Irun to Cloverly (Maryland) | 3,783.76 mi (6,089.38 km) |
| Irun to Clovis (California) | 5,666.30 mi (9,119.03 km) |
| Irun to Clovis (New Mexico) | 5,138.13 mi (8,269.02 km) |
| Irun to Clute (Texas) | 5,041.36 mi (8,113.29 km) |
| Irun to Coachella (California) | 5,697.75 mi (9,169.64 km) |
| Irun to Coalinga (California) | 5,725.48 mi (9,214.27 km) |
| Irun to Coamo (Puerto Rico) | 4,100.67 mi (6,599.39 km) |
| Irun to Coatesville (Pennsylvania) | 3,698.96 mi (5,952.90 km) |
| Irun to Cockeysville (Maryland) | 3,753.62 mi (6,040.87 km) |
| Irun to Cocoa (Florida) | 4,376.96 mi (7,044.04 km) |
| Irun to Cocoa Beach (Florida) | 4,372.21 mi (7,036.39 km) |
| Irun to Coconut Creek (Florida) | 4,436.58 mi (7,139.99 km) |
| Irun to Coeur d'Alene (Idaho) | 5,009.09 mi (8,061.35 km) |
| Irun to Cohoes (New York) | 3,511.30 mi (5,650.89 km) |
| Irun to Cold Springs (Nevada) | 5,526.26 mi (8,893.65 km) |
