| Idil to Cloverly (Maryland) | 5,883.47 mi (9,468.53 km) |
| Idil to Clovis (California) | 7,178.64 mi (11,552.90 km) |
| Idil to Clovis (New Mexico) | 6,994.01 mi (11,255.78 km) |
| Idil to Clute (Texas) | 7,082.43 mi (11,398.07 km) |
| Idil to Coachella (California) | 7,329.67 mi (11,795.96 km) |
| Idil to Coalinga (California) | 7,233.53 mi (11,641.25 km) |
| Idil to Coamo (Puerto Rico) | 6,410.79 mi (10,317.17 km) |
| Idil to Coatesville (Pennsylvania) | 5,796.13 mi (9,327.96 km) |
| Idil to Cockeysville (Maryland) | 5,851.17 mi (9,416.54 km) |
| Idil to Cocoa (Florida) | 6,571.84 mi (10,576.35 km) |
| Idil to Cocoa Beach (Florida) | 6,568.63 mi (10,571.19 km) |
| Idil to Coconut Creek (Florida) | 6,654.84 mi (10,709.93 km) |
| Idil to Coeur d'Alene (Idaho) | 6,415.56 mi (10,324.85 km) |
| Idil to Cohoes (New York) | 5,583.34 mi (8,985.51 km) |
| Idil to Cold Springs (Nevada) | 6,991.34 mi (11,251.47 km) |
