| Knowle to Centralia (Illinois) | 4,076.19 mi (6,559.99 km) |
| Knowle to Centralia (Washington) | 4,761.56 mi (7,662.99 km) |
| Knowle to Centreville (Virginia) | 3,600.42 mi (5,794.32 km) |
| Knowle to Ceres (California) | 5,229.77 mi (8,416.51 km) |
| Knowle to Cerritos (California) | 5,353.94 mi (8,616.33 km) |
| Knowle to Chalco (Nebraska) | 4,207.80 mi (6,771.80 km) |
| Knowle to Chalmette (Louisiana) | 4,538.61 mi (7,304.18 km) |
| Knowle to Chambersburg (Pennsylvania) | 3,559.45 mi (5,728.38 km) |
| Knowle to Chamblee (Georgia) | 4,112.74 mi (6,618.81 km) |
| Knowle to Champaign (Illinois) | 3,966.97 mi (6,384.23 km) |
| Knowle to Champlin (Minnesota) | 3,916.03 mi (6,302.24 km) |
| Knowle to Chandler (Arizona) | 5,180.38 mi (8,337.02 km) |
| Knowle to Chanhassen (Minnesota) | 3,937.08 mi (6,336.11 km) |
| Knowle to Channahon (Illinois) | 3,904.42 mi (6,283.56 km) |
| Knowle to Channelview (Texas) | 4,750.62 mi (7,645.39 km) |
