| Boppard to Storm Lake (Iowa) | 4,517.52 mi (7,270.25 km) |
| Boppard to Storrs (Connecticut) | 3,688.26 mi (5,935.68 km) |
| Boppard to Stoughton (Wisconsin) | 4,290.88 mi (6,905.51 km) |
| Boppard to Stow (Ohio) | 4,080.17 mi (6,566.39 km) |
| Boppard to Streamwood (Illinois) | 4,295.94 mi (6,913.64 km) |
| Boppard to Streator (Illinois) | 4,363.30 mi (7,022.05 km) |
| Boppard to Streetsboro (Ohio) | 4,073.82 mi (6,556.18 km) |
| Boppard to Strongsville (Ohio) | 4,089.25 mi (6,581.02 km) |
| Boppard to Stuart (Florida) | 4,706.12 mi (7,573.77 km) |
| Boppard to Stuarts Draft (Virginia) | 4,131.53 mi (6,649.05 km) |
| Boppard to Sturgis (Michigan) | 4,203.52 mi (6,764.91 km) |
| Boppard to Suamico (Wisconsin) | 4,167.73 mi (6,707.32 km) |
| Boppard to Sudley (Virginia) | 4,034.03 mi (6,492.14 km) |
| Boppard to Suffern (New York) | 3,794.61 mi (6,106.84 km) |
| Boppard to Suffolk (Virginia) | 4,095.75 mi (6,591.47 km) |
