| Welver to Southern Pines (North Carolina) | 4,258.41 mi (6,853.25 km) |
| Welver to Southfield (Michigan) | 4,055.40 mi (6,526.54 km) |
| Welver to Southgate (Michigan) | 4,066.29 mi (6,544.06 km) |
| Welver to Southlake (Texas) | 5,051.13 mi (8,129.00 km) |
| Welver to Spanaway (Washington) | 5,010.73 mi (8,063.99 km) |
| Welver to Spanish Fork (Utah) | 5,134.20 mi (8,262.70 km) |
| Welver to Spanish Lake (Missouri) | 4,492.42 mi (7,229.84 km) |
| Welver to Spanish Springs (Nevada) | 5,387.28 mi (8,669.99 km) |
| Welver to Sparks (Nevada) | 5,393.50 mi (8,679.99 km) |
| Welver to Spartanburg (South Carolina) | 4,370.49 mi (7,033.62 km) |
| Welver to Spearfish (South Dakota) | 4,653.74 mi (7,489.46 km) |
| Welver to Speedway (Indiana) | 4,296.18 mi (6,914.03 km) |
| Welver to Spencer (Iowa) | 4,444.28 mi (7,152.38 km) |
| Welver to Spokane (Washington) | 4,856.40 mi (7,815.62 km) |
| Welver to Spokane Valley (Washington) | 4,851.69 mi (7,808.04 km) |
