| Upminster to Clarkston (Georgia) | 4,211.92 mi (6,778.44 km) |
| Upminster to Clarksville (Indiana) | 4,055.75 mi (6,527.10 km) |
| Upminster to Clarksville (Tennessee) | 4,202.01 mi (6,762.48 km) |
| Upminster to Clawson (Michigan) | 3,758.57 mi (6,048.83 km) |
| Upminster to Clay (Alabama) | 4,313.46 mi (6,941.85 km) |
| Upminster to Clayton (California) | 5,338.69 mi (8,591.79 km) |
| Upminster to Clayton (Missouri) | 4,217.56 mi (6,787.50 km) |
| Upminster to Clayton (North Carolina) | 3,886.55 mi (6,254.79 km) |
| Upminster to Clayton (Ohio) | 3,926.52 mi (6,319.12 km) |
| Upminster to Clearfield (Utah) | 4,856.37 mi (7,815.58 km) |
| Upminster to Clearlake (California) | 5,299.84 mi (8,529.26 km) |
| Upminster to Clearwater (Florida) | 4,440.19 mi (7,145.79 km) |
| Upminster to Cleburne (Texas) | 4,806.65 mi (7,735.56 km) |
| Upminster to Clemmons (North Carolina) | 3,948.35 mi (6,354.26 km) |
| Upminster to Clemson (South Carolina) | 4,111.55 mi (6,616.91 km) |
