| Knic to Clermont (Florida) | 5,441.43 mi (8,757.14 km) |
| Knic to Cleveland (Mississippi) | 5,557.01 mi (8,943.15 km) |
| Knic to Cleveland (Ohio) | 4,830.22 mi (7,773.48 km) |
| Knic to Cleveland (Tennessee) | 5,253.08 mi (8,454.02 km) |
| Knic to Cleveland Heights (Ohio) | 4,824.08 mi (7,763.61 km) |
| Knic to Cliffside Park (New Jersey) | 4,551.59 mi (7,325.07 km) |
| Knic to Clifton (Colorado) | 5,885.64 mi (9,472.02 km) |
| Knic to Clifton (New Jersey) | 4,556.81 mi (7,333.48 km) |
| Knic to Clinton (Iowa) | 5,132.97 mi (8,260.72 km) |
| Knic to Clinton (Maryland) | 4,762.11 mi (7,663.88 km) |
| Knic to Clinton (Mississippi) | 5,612.14 mi (9,031.86 km) |
| Knic to Clinton (Utah) | 5,870.18 mi (9,447.14 km) |
| Knic to Clive (Iowa) | 5,270.43 mi (8,481.93 km) |
| Knic to Cloquet (Minnesota) | 4,969.11 mi (7,997.00 km) |
| Knic to Cloverleaf (Texas) | 5,934.65 mi (9,550.89 km) |
