| Eckington to Cloverly (Maryland) | 3,566.90 mi (5,740.38 km) |
| Eckington to Clovis (California) | 5,202.71 mi (8,372.95 km) |
| Eckington to Clovis (New Mexico) | 4,792.51 mi (7,712.80 km) |
| Eckington to Clute (Texas) | 4,793.07 mi (7,713.71 km) |
| Eckington to Coachella (California) | 5,273.48 mi (8,486.85 km) |
| Eckington to Coalinga (California) | 5,261.83 mi (8,468.09 km) |
| Eckington to Coamo (Puerto Rico) | 4,196.30 mi (6,753.30 km) |
| Eckington to Coatesville (Pennsylvania) | 3,479.59 mi (5,599.86 km) |
| Eckington to Cockeysville (Maryland) | 3,534.88 mi (5,688.84 km) |
| Eckington to Cocoa (Florida) | 4,246.19 mi (6,833.59 km) |
| Eckington to Cocoa Beach (Florida) | 4,243.03 mi (6,828.50 km) |
| Eckington to Coconut Creek (Florida) | 4,330.98 mi (6,970.04 km) |
| Eckington to Coeur d'Alene (Idaho) | 4,500.51 mi (7,242.86 km) |
| Eckington to Cohoes (New York) | 3,271.27 mi (5,264.59 km) |
| Eckington to Cold Springs (Nevada) | 5,045.60 mi (8,120.11 km) |
