| Watford to Castle Rock (Colorado) | 4,684.57 mi (7,539.09 km) |
| Watford to Castro Valley (California) | 5,332.00 mi (8,581.02 km) |
| Watford to Catalina Foothills (Arizona) | 5,276.85 mi (8,492.27 km) |
| Watford to Cataño (Puerto Rico) | 4,192.11 mi (6,746.54 km) |
| Watford to Cathedral City (California) | 5,379.80 mi (8,657.95 km) |
| Watford to Catonsville (Maryland) | 3,622.42 mi (5,829.72 km) |
| Watford to Cave Spring (Virginia) | 3,848.45 mi (6,193.48 km) |
| Watford to Cayce (South Carolina) | 4,046.16 mi (6,511.66 km) |
| Watford to Cayey (Puerto Rico) | 4,209.88 mi (6,775.15 km) |
| Watford to Cedar City (Utah) | 5,053.78 mi (8,133.27 km) |
| Watford to Cedar Falls (Iowa) | 4,082.98 mi (6,570.92 km) |
| Watford to Cedar Hill (Texas) | 4,749.56 mi (7,643.68 km) |
| Watford to Cedar Lake (Indiana) | 3,949.05 mi (6,355.38 km) |
| Watford to Cedar Mill (Oregon) | 4,900.25 mi (7,886.19 km) |
| Watford to Cedar Park (Texas) | 4,890.75 mi (7,870.90 km) |
