| Waltham Cross to Caguas (Puerto Rico) | 4,214.13 mi (6,781.99 km) |
| Waltham Cross to Cahokia (Illinois) | 4,200.69 mi (6,760.36 km) |
| Waltham Cross to Calabasas (California) | 5,443.90 mi (8,761.11 km) |
| Waltham Cross to Caldwell (Idaho) | 4,843.01 mi (7,794.08 km) |
| Waltham Cross to Caledonia (Wisconsin) | 3,911.95 mi (6,295.67 km) |
| Waltham Cross to Calera (Alabama) | 4,332.56 mi (6,972.58 km) |
| Waltham Cross to Calexico (California) | 5,423.74 mi (8,728.66 km) |
| Waltham Cross to Calhoun (Georgia) | 4,192.57 mi (6,747.28 km) |
| Waltham Cross to California (Maryland) | 3,670.14 mi (5,906.51 km) |
| Waltham Cross to California City (California) | 5,360.13 mi (8,626.29 km) |
| Waltham Cross to Callaway (Florida) | 4,433.47 mi (7,134.98 km) |
| Waltham Cross to Calumet City (Illinois) | 3,954.78 mi (6,364.60 km) |
| Waltham Cross to Calverton (Maryland) | 3,654.18 mi (5,880.84 km) |
| Waltham Cross to Camano (Washington) | 4,747.40 mi (7,640.21 km) |
| Waltham Cross to Camarillo (California) | 5,450.47 mi (8,771.69 km) |
