| Watford to Romeoville (Illinois) | 3,962.00 mi (6,376.22 km) |
| Watford to Romulus (Michigan) | 3,753.00 mi (6,039.86 km) |
| Watford to Ronkonkoma (New York) | 3,407.16 mi (5,483.30 km) |
| Watford to Roosevelt (New York) | 3,431.27 mi (5,522.10 km) |
| Watford to Rosamond (California) | 5,377.65 mi (8,654.49 km) |
| Watford to Rosaryville (Maryland) | 3,648.23 mi (5,871.26 km) |
| Watford to Roscoe (Illinois) | 3,959.26 mi (6,371.82 km) |
| Watford to Rose Hill (Virginia) | 3,658.82 mi (5,888.30 km) |
| Watford to Roseburg (Oregon) | 5,048.73 mi (8,125.14 km) |
| Watford to Rosedale (California) | 5,378.96 mi (8,656.60 km) |
| Watford to Rosedale (Maryland) | 3,610.12 mi (5,809.92 km) |
| Watford to Roselle (Illinois) | 3,945.19 mi (6,349.17 km) |
| Watford to Roselle (New Jersey) | 3,460.02 mi (5,568.36 km) |
| Watford to Roselle Park (New Jersey) | 3,459.74 mi (5,567.92 km) |
| Watford to Rosemead (California) | 5,418.97 mi (8,721.00 km) |
