| Siniscola to Somersworth (New Hampshire) | 3,977.93 mi (6,401.86 km) |
| Siniscola to Somerton (Arizona) | 6,262.09 mi (10,077.86 km) |
| Siniscola to Somerville (Massachusetts) | 4,015.32 mi (6,462.03 km) |
| Siniscola to Somerville (New Jersey) | 4,235.19 mi (6,815.89 km) |
| Siniscola to Sonoma (California) | 6,206.84 mi (9,988.95 km) |
| Siniscola to Soquel (California) | 6,264.68 mi (10,082.03 km) |
| Siniscola to South Bend (Indiana) | 4,702.96 mi (7,568.69 km) |
| Siniscola to South Bradenton (Florida) | 5,123.14 mi (8,244.90 km) |
| Siniscola to South Burlington (Vermont) | 4,042.23 mi (6,505.35 km) |
| Siniscola to South Charleston (West Virginia) | 4,637.44 mi (7,463.24 km) |
| Siniscola to South Daytona (Florida) | 4,975.39 mi (8,007.11 km) |
| Siniscola to South El Monte (California) | 6,301.80 mi (10,141.76 km) |
| Siniscola to South Elgin (Illinois) | 4,775.44 mi (7,685.33 km) |
| Siniscola to South Euclid (Ohio) | 4,506.51 mi (7,252.53 km) |
| Siniscola to South Farmingdale (New York) | 4,177.41 mi (6,722.89 km) |
