| Upminster to Caño Martin Peña (Puerto Rico) | 4,215.20 mi (6,783.71 km) |
| Upminster to Cañon City (Colorado) | 4,773.04 mi (7,681.46 km) |
| Upminster to Canóvanas (Puerto Rico) | 4,212.04 mi (6,778.63 km) |
| Upminster to Canton (Georgia) | 4,200.84 mi (6,760.59 km) |
| Upminster to Canton (Illinois) | 4,113.96 mi (6,620.78 km) |
| Upminster to Canton (Mississippi) | 4,505.30 mi (7,250.58 km) |
| Upminster to Canton (Ohio) | 3,766.85 mi (6,062.15 km) |
| Upminster to Canyon (Texas) | 4,837.67 mi (7,785.48 km) |
| Upminster to Canyon Lake (California) | 5,439.67 mi (8,754.31 km) |
| Upminster to Canyon Lake (Texas) | 4,969.22 mi (7,997.19 km) |
| Upminster to Cape Coral (Florida) | 4,475.39 mi (7,202.45 km) |
| Upminster to Cape Girardeau (Missouri) | 4,252.80 mi (6,844.21 km) |
| Upminster to Carbondale (Illinois) | 4,219.70 mi (6,790.96 km) |
| Upminster to Carlisle (Pennsylvania) | 3,627.79 mi (5,838.36 km) |
| Upminster to Carlsbad (California) | 5,472.60 mi (8,807.29 km) |
