| Willoughby to Steiner Ranch (Texas) | 1,203.16 mi (1,936.30 km) |
| Willoughby to Stephenville (Texas) | 1,131.07 mi (1,820.28 km) |
| Willoughby to Sterling (Colorado) | 1,132.83 mi (1,823.12 km) |
| Willoughby to Sterling (Illinois) | 427.33 mi (687.73 km) |
| Willoughby to Sterling (Virginia) | 278.80 mi (448.68 km) |
| Willoughby to Sterling Heights (Michigan) | 105.29 mi (169.44 km) |
| Willoughby to Steubenville (Ohio) | 96.87 mi (155.90 km) |
| Willoughby to Stevens Point (Wisconsin) | 456.18 mi (734.16 km) |
| Willoughby to Stevenson Ranch (California) | 2,067.85 mi (3,327.88 km) |
| Willoughby to Stillwater (Minnesota) | 619.72 mi (997.34 km) |
| Willoughby to Stillwater (Oklahoma) | 922.82 mi (1,485.14 km) |
| Willoughby to Stockbridge (Georgia) | 581.85 mi (936.39 km) |
| Willoughby to Stockton (California) | 2,113.93 mi (3,402.04 km) |
| Willoughby to Stone Ridge (Virginia) | 276.46 mi (444.92 km) |
| Willoughby to Stonecrest (Georgia) | 569.90 mi (917.16 km) |
