| Gladstone to Somersworth (New Hampshire) | 1,256.80 mi (2,022.62 km) |
| Gladstone to Somerton (Arizona) | 1,212.84 mi (1,951.87 km) |
| Gladstone to Somerville (Massachusetts) | 1,242.23 mi (1,999.18 km) |
| Gladstone to Somerville (New Jersey) | 1,059.46 mi (1,705.04 km) |
| Gladstone to Sonoma (California) | 1,498.79 mi (2,412.07 km) |
| Gladstone to Soquel (California) | 1,491.23 mi (2,399.90 km) |
| Gladstone to South Bend (Indiana) | 467.68 mi (752.67 km) |
| Gladstone to South Bradenton (Florida) | 1,064.39 mi (1,712.97 km) |
| Gladstone to South Burlington (Vermont) | 1,152.84 mi (1,855.31 km) |
| Gladstone to South Charleston (West Virginia) | 693.83 mi (1,116.62 km) |
| Gladstone to South Daytona (Florida) | 1,038.00 mi (1,670.50 km) |
| Gladstone to South El Monte (California) | 1,346.09 mi (2,166.33 km) |
| Gladstone to South Elgin (Illinois) | 379.55 mi (610.83 km) |
| Gladstone to South Euclid (Ohio) | 703.75 mi (1,132.57 km) |
| Gladstone to South Farmingdale (New York) | 1,120.09 mi (1,802.61 km) |
