| Knowle to Corinth (Mississippi) | 4,228.09 mi (6,804.45 km) |
| Knowle to Corinth (Texas) | 4,651.39 mi (7,485.68 km) |
| Knowle to Cornelius (North Carolina) | 3,897.46 mi (6,272.36 km) |
| Knowle to Cornelius (Oregon) | 4,832.79 mi (7,777.62 km) |
| Knowle to Corning (New York) | 3,436.95 mi (5,531.24 km) |
| Knowle to Corona (California) | 5,338.06 mi (8,590.78 km) |
| Knowle to Coronado (California) | 5,393.22 mi (8,679.54 km) |
| Knowle to Corpus Christi (Texas) | 4,948.11 mi (7,963.21 km) |
| Knowle to Corsicana (Texas) | 4,683.57 mi (7,537.47 km) |
| Knowle to Cortland (New York) | 3,382.42 mi (5,443.49 km) |
| Knowle to Corvallis (Oregon) | 4,893.55 mi (7,875.41 km) |
| Knowle to Coshocton (Ohio) | 3,710.86 mi (5,972.04 km) |
| Knowle to Costa Mesa (California) | 5,360.45 mi (8,626.81 km) |
| Knowle to Coto de Caza (California) | 5,353.92 mi (8,616.30 km) |
| Knowle to Cottage Grove (Minnesota) | 3,916.23 mi (6,302.57 km) |
