| Upminster to Camas (Washington) | 4,909.28 mi (7,900.73 km) |
| Upminster to Cambridge (Maryland) | 3,655.94 mi (5,883.66 km) |
| Upminster to Cambridge (Massachusetts) | 3,287.18 mi (5,290.21 km) |
| Upminster to Camden (Arkansas) | 4,567.45 mi (7,350.61 km) |
| Upminster to Camden (New Jersey) | 3,554.46 mi (5,720.35 km) |
| Upminster to Cameron Park (California) | 5,268.37 mi (8,478.63 km) |
| Upminster to Camp Pendleton South (California) | 5,469.96 mi (8,803.05 km) |
| Upminster to Camp Springs (Maryland) | 3,678.83 mi (5,920.51 km) |
| Upminster to Camp Verde (Arizona) | 5,211.08 mi (8,386.43 km) |
| Upminster to Campbell (California) | 5,377.82 mi (8,654.77 km) |
| Upminster to Campbellsville (Kentucky) | 4,085.89 mi (6,575.61 km) |
| Upminster to Campton Hills (Illinois) | 3,986.87 mi (6,416.25 km) |
| Upminster to Canby (Oregon) | 4,935.46 mi (7,942.86 km) |
| Upminster to Candelaria (Puerto Rico) | 4,223.72 mi (6,797.42 km) |
| Upminster to Candler-McAfee (Georgia) | 4,217.38 mi (6,787.21 km) |
