| Leek to Clermont (Florida) | 4,252.93 mi (6,844.43 km) |
| Leek to Cleveland (Mississippi) | 4,346.00 mi (6,994.21 km) |
| Leek to Cleveland (Ohio) | 3,618.98 mi (5,824.19 km) |
| Leek to Cleveland (Tennessee) | 4,044.75 mi (6,509.40 km) |
| Leek to Cleveland Heights (Ohio) | 3,612.86 mi (5,814.34 km) |
| Leek to Cliffside Park (New Jersey) | 3,346.55 mi (5,385.74 km) |
| Leek to Clifton (Colorado) | 4,708.31 mi (7,577.29 km) |
| Leek to Clifton (New Jersey) | 3,351.49 mi (5,393.69 km) |
| Leek to Clinton (Iowa) | 3,925.12 mi (6,316.87 km) |
| Leek to Clinton (Maryland) | 3,557.43 mi (5,725.12 km) |
| Leek to Clinton (Mississippi) | 4,402.04 mi (7,084.41 km) |
| Leek to Clinton (Utah) | 4,712.78 mi (7,584.48 km) |
| Leek to Clive (Iowa) | 4,066.32 mi (6,544.11 km) |
| Leek to Cloquet (Minnesota) | 3,774.38 mi (6,074.27 km) |
| Leek to Cloverleaf (Texas) | 4,723.52 mi (7,601.78 km) |
