| Knowle to Carlsbad (New Mexico) | 4,958.62 mi (7,980.13 km) |
| Knowle to Carmel (Indiana) | 3,892.30 mi (6,264.04 km) |
| Knowle to Carmichael (California) | 5,180.82 mi (8,337.72 km) |
| Knowle to Carney (Maryland) | 3,537.75 mi (5,693.45 km) |
| Knowle to Carnot-Moon (Pennsylvania) | 3,634.82 mi (5,849.67 km) |
| Knowle to Carol Stream (Illinois) | 3,876.15 mi (6,238.06 km) |
| Knowle to Carolina (Puerto Rico) | 4,137.72 mi (6,659.01 km) |
| Knowle to Carolina Forest (South Carolina) | 3,899.46 mi (6,275.58 km) |
| Knowle to Carpentersville (Illinois) | 3,872.54 mi (6,232.25 km) |
| Knowle to Carpinteria (California) | 5,369.54 mi (8,641.43 km) |
| Knowle to Carrboro (North Carolina) | 3,803.05 mi (6,120.42 km) |
| Knowle to Carroll (Iowa) | 4,118.03 mi (6,627.33 km) |
| Knowle to Carrollton (Georgia) | 4,159.16 mi (6,693.53 km) |
| Knowle to Carrollton (Texas) | 4,652.99 mi (7,488.27 km) |
| Knowle to Carrollwood (Florida) | 4,331.17 mi (6,970.35 km) |
