| Upminster to Clermont (Florida) | 4,368.84 mi (7,030.97 km) |
| Upminster to Cleveland (Mississippi) | 4,475.31 mi (7,202.32 km) |
| Upminster to Cleveland (Ohio) | 3,748.98 mi (6,033.40 km) |
| Upminster to Cleveland (Tennessee) | 4,170.79 mi (6,712.24 km) |
| Upminster to Cleveland Heights (Ohio) | 3,742.82 mi (6,023.49 km) |
| Upminster to Cliffside Park (New Jersey) | 3,470.09 mi (5,584.57 km) |
| Upminster to Clifton (Colorado) | 4,849.84 mi (7,805.06 km) |
| Upminster to Clifton (New Jersey) | 3,475.22 mi (5,592.83 km) |
| Upminster to Clinton (Iowa) | 4,060.50 mi (6,534.74 km) |
| Upminster to Clinton (Maryland) | 3,680.78 mi (5,923.64 km) |
| Upminster to Clinton (Mississippi) | 4,529.87 mi (7,290.13 km) |
| Upminster to Clinton (Utah) | 4,855.71 mi (7,814.50 km) |
| Upminster to Clive (Iowa) | 4,203.31 mi (6,764.57 km) |
| Upminster to Cloquet (Minnesota) | 3,913.88 mi (6,298.78 km) |
| Upminster to Cloverleaf (Texas) | 4,853.06 mi (7,810.24 km) |
