| Willoughby to Rowlett (Texas) | 1,025.44 mi (1,650.29 km) |
| Willoughby to Roy (Utah) | 1,579.72 mi (2,542.31 km) |
| Willoughby to Royal Kunia (Hawaii) | 4,574.25 mi (7,361.54 km) |
| Willoughby to Royal Oak (Michigan) | 107.53 mi (173.06 km) |
| Willoughby to Royal Palm Beach (Florida) | 1,034.59 mi (1,665.01 km) |
| Willoughby to Royse City (Texas) | 1,012.51 mi (1,629.48 km) |
| Willoughby to Ruskin (Florida) | 964.82 mi (1,552.72 km) |
| Willoughby to Russellville (Alabama) | 600.89 mi (967.05 km) |
| Willoughby to Russellville (Arkansas) | 771.15 mi (1,241.05 km) |
| Willoughby to Ruston (Louisiana) | 881.35 mi (1,418.39 km) |
| Willoughby to Rutherford (New Jersey) | 383.59 mi (617.34 km) |
| Willoughby to Rutland (Vermont) | 449.28 mi (723.04 km) |
| Willoughby to Sabana Grande (Puerto Rico) | 1,837.74 mi (2,957.55 km) |
| Willoughby to Sachse (Texas) | 1,024.24 mi (1,648.35 km) |
| Willoughby to Saco (Maine) | 571.47 mi (919.69 km) |
