| Siniscola to Security-Widefield (Colorado) | 5,573.04 mi (8,968.95 km) |
| Siniscola to Sedalia (Missouri) | 5,119.25 mi (8,238.63 km) |
| Siniscola to Sedro-Woolley (Washington) | 5,618.34 mi (9,041.84 km) |
| Siniscola to Seguin (Texas) | 5,739.21 mi (9,236.37 km) |
| Siniscola to Selden (New York) | 4,153.94 mi (6,685.11 km) |
| Siniscola to Selma (Alabama) | 5,121.55 mi (8,242.34 km) |
| Siniscola to Selma (California) | 6,214.10 mi (10,000.63 km) |
| Siniscola to Selma (Texas) | 5,754.45 mi (9,260.89 km) |
| Siniscola to Seminole (Florida) | 5,116.66 mi (8,234.47 km) |
| Siniscola to Seven Hills (Ohio) | 4,518.42 mi (7,271.69 km) |
| Siniscola to Seven Oaks (South Carolina) | 4,781.96 mi (7,695.82 km) |
| Siniscola to Severn (Maryland) | 4,381.21 mi (7,050.88 km) |
| Siniscola to Severna Park (Maryland) | 4,377.22 mi (7,044.45 km) |
| Siniscola to Sevierville (Tennessee) | 4,818.74 mi (7,755.01 km) |
| Siniscola to Seymour (Indiana) | 4,797.14 mi (7,720.25 km) |
