| Willoughby to Santa Paula (California) | 2,093.51 mi (3,369.18 km) |
| Willoughby to Santa Rosa (California) | 2,174.64 mi (3,499.74 km) |
| Willoughby to Santaquin (Utah) | 1,585.05 mi (2,550.89 km) |
| Willoughby to Santee (California) | 2,032.43 mi (3,270.88 km) |
| Willoughby to Sapulpa (Oklahoma) | 879.90 mi (1,416.06 km) |
| Willoughby to Saraland (Alabama) | 833.39 mi (1,341.21 km) |
| Willoughby to Sarasota (Florida) | 990.62 mi (1,594.24 km) |
| Willoughby to Sarasota Springs (Florida) | 992.44 mi (1,597.18 km) |
| Willoughby to Saratoga (California) | 2,167.59 mi (3,488.41 km) |
| Willoughby to Saratoga Springs (New York) | 401.64 mi (646.38 km) |
| Willoughby to Saratoga Springs (Utah) | 1,585.14 mi (2,551.04 km) |
| Willoughby to Sartell (Minnesota) | 696.02 mi (1,120.13 km) |
| Willoughby to Satellite Beach (Florida) | 931.64 mi (1,499.32 km) |
| Willoughby to Sauk Rapids (Minnesota) | 692.50 mi (1,114.47 km) |
| Willoughby to Sault Ste. Marie (Michigan) | 365.02 mi (587.44 km) |
