| Waltham Cross to Castle Rock (Colorado) | 4,695.85 mi (7,557.24 km) |
| Waltham Cross to Castro Valley (California) | 5,341.15 mi (8,595.75 km) |
| Waltham Cross to Catalina Foothills (Arizona) | 5,288.24 mi (8,510.60 km) |
| Waltham Cross to Cataño (Puerto Rico) | 4,207.79 mi (6,771.78 km) |
| Waltham Cross to Cathedral City (California) | 5,390.25 mi (8,674.77 km) |
| Waltham Cross to Catonsville (Maryland) | 3,636.48 mi (5,852.35 km) |
| Waltham Cross to Cave Spring (Virginia) | 3,862.49 mi (6,216.07 km) |
| Waltham Cross to Cayce (South Carolina) | 4,060.45 mi (6,534.66 km) |
| Waltham Cross to Cayey (Puerto Rico) | 4,225.57 mi (6,800.39 km) |
| Waltham Cross to Cedar City (Utah) | 5,064.22 mi (8,150.08 km) |
| Waltham Cross to Cedar Falls (Iowa) | 4,095.20 mi (6,590.59 km) |
| Waltham Cross to Cedar Hill (Texas) | 4,762.56 mi (7,664.60 km) |
| Waltham Cross to Cedar Lake (Indiana) | 3,961.93 mi (6,376.10 km) |
| Waltham Cross to Cedar Mill (Oregon) | 4,908.28 mi (7,899.11 km) |
| Waltham Cross to Cedar Park (Texas) | 4,903.88 mi (7,892.03 km) |
