| Watford to Clermont (Florida) | 4,340.25 mi (6,984.96 km) |
| Watford to Cleveland (Mississippi) | 4,447.07 mi (7,156.87 km) |
| Watford to Cleveland (Ohio) | 3,720.81 mi (5,988.06 km) |
| Watford to Cleveland (Tennessee) | 4,142.37 mi (6,666.50 km) |
| Watford to Cleveland Heights (Ohio) | 3,714.64 mi (5,978.14 km) |
| Watford to Cliffside Park (New Jersey) | 3,441.58 mi (5,538.69 km) |
| Watford to Clifton (Colorado) | 4,823.82 mi (7,763.19 km) |
| Watford to Clifton (New Jersey) | 3,446.72 mi (5,546.96 km) |
| Watford to Clinton (Iowa) | 4,032.92 mi (6,490.35 km) |
| Watford to Clinton (Maryland) | 3,652.26 mi (5,877.75 km) |
| Watford to Clinton (Mississippi) | 4,501.54 mi (7,244.53 km) |
| Watford to Clinton (Utah) | 4,830.49 mi (7,773.93 km) |
| Watford to Clive (Iowa) | 4,176.00 mi (6,720.62 km) |
| Watford to Cloquet (Minnesota) | 3,887.15 mi (6,255.77 km) |
| Watford to Cloverleaf (Texas) | 4,824.83 mi (7,764.82 km) |
