| Knic to Corinth (Mississippi) | 5,409.81 mi (8,706.25 km) |
| Knic to Corinth (Texas) | 5,829.57 mi (9,381.79 km) |
| Knic to Cornelius (North Carolina) | 5,076.07 mi (8,169.15 km) |
| Knic to Cornelius (Oregon) | 5,870.57 mi (9,447.77 km) |
| Knic to Corning (New York) | 4,618.60 mi (7,432.93 km) |
| Knic to Corona (California) | 6,456.12 mi (10,390.12 km) |
| Knic to Coronado (California) | 6,517.28 mi (10,488.54 km) |
| Knic to Corpus Christi (Texas) | 6,129.64 mi (9,864.70 km) |
| Knic to Corsicana (Texas) | 5,863.31 mi (9,436.08 km) |
| Knic to Cortland (New York) | 4,564.06 mi (7,345.14 km) |
| Knic to Corvallis (Oregon) | 5,934.61 mi (9,550.84 km) |
| Knic to Coshocton (Ohio) | 4,892.56 mi (7,873.82 km) |
| Knic to Costa Mesa (California) | 6,477.53 mi (10,424.58 km) |
| Knic to Coto de Caza (California) | 6,472.81 mi (10,416.98 km) |
| Knic to Cottage Grove (Minnesota) | 5,078.65 mi (8,173.30 km) |
