| Upminster to Carlsbad (New Mexico) | 5,060.54 mi (8,144.15 km) |
| Upminster to Carmel (Indiana) | 3,992.93 mi (6,426.00 km) |
| Upminster to Carmichael (California) | 5,280.80 mi (8,498.62 km) |
| Upminster to Carney (Maryland) | 3,635.72 mi (5,851.13 km) |
| Upminster to Carnot-Moon (Pennsylvania) | 3,734.33 mi (6,009.82 km) |
| Upminster to Carol Stream (Illinois) | 3,977.54 mi (6,401.23 km) |
| Upminster to Carolina (Puerto Rico) | 4,213.49 mi (6,780.96 km) |
| Upminster to Carolina Forest (South Carolina) | 3,995.48 mi (6,430.11 km) |
| Upminster to Carpentersville (Illinois) | 3,973.99 mi (6,395.51 km) |
| Upminster to Carpinteria (California) | 5,470.64 mi (8,804.14 km) |
| Upminster to Carrboro (North Carolina) | 3,900.22 mi (6,276.80 km) |
| Upminster to Carroll (Iowa) | 4,220.05 mi (6,791.51 km) |
| Upminster to Carrollton (Georgia) | 4,257.41 mi (6,851.64 km) |
| Upminster to Carrollton (Texas) | 4,754.06 mi (7,650.92 km) |
| Upminster to Carrollwood (Florida) | 4,425.88 mi (7,122.77 km) |
