| Willoughby to Scottsbluff (Nebraska) | 1,143.85 mi (1,840.85 km) |
| Willoughby to Scottsboro (Alabama) | 545.35 mi (877.66 km) |
| Willoughby to Scottsdale (Arizona) | 1,743.54 mi (2,805.96 km) |
| Willoughby to Scranton (Pennsylvania) | 297.51 mi (478.80 km) |
| Willoughby to Seabrook (Maryland) | 302.57 mi (486.94 km) |
| Willoughby to Seabrook (Texas) | 1,128.73 mi (1,816.52 km) |
| Willoughby to Seaford (New York) | 417.16 mi (671.36 km) |
| Willoughby to Seagoville (Texas) | 1,037.13 mi (1,669.11 km) |
| Willoughby to Seal Beach (California) | 2,060.20 mi (3,315.57 km) |
| Willoughby to Searcy (Arkansas) | 711.91 mi (1,145.70 km) |
| Willoughby to Seaside (California) | 2,173.22 mi (3,497.46 km) |
| Willoughby to SeaTac (Washington) | 2,028.60 mi (3,264.72 km) |
| Willoughby to Seattle (Washington) | 2,029.01 mi (3,265.37 km) |
| Willoughby to Sebastian (Florida) | 959.32 mi (1,543.87 km) |
| Willoughby to Sebring (Florida) | 978.98 mi (1,575.52 km) |
