| Box Elder to Somersworth (New Hampshire) | 1,599.53 mi (2,574.20 km) |
| Box Elder to Somerton (Arizona) | 1,012.14 mi (1,628.88 km) |
| Box Elder to Somerville (Massachusetts) | 1,603.63 mi (2,580.80 km) |
| Box Elder to Somerville (New Jersey) | 1,466.99 mi (2,360.89 km) |
| Box Elder to Sonoma (California) | 1,081.45 mi (1,740.42 km) |
| Box Elder to Soquel (California) | 1,102.15 mi (1,773.74 km) |
| Box Elder to South Bend (Indiana) | 865.86 mi (1,393.47 km) |
| Box Elder to South Bradenton (Florida) | 1,617.07 mi (2,602.43 km) |
| Box Elder to South Burlington (Vermont) | 1,468.91 mi (2,363.98 km) |
| Box Elder to South Charleston (West Virginia) | 1,175.58 mi (1,891.92 km) |
| Box Elder to South Daytona (Florida) | 1,592.21 mi (2,562.41 km) |
| Box Elder to South El Monte (California) | 1,058.94 mi (1,704.20 km) |
| Box Elder to South Elgin (Illinois) | 758.81 mi (1,221.19 km) |
| Box Elder to South Euclid (Ohio) | 1,103.80 mi (1,776.39 km) |
| Box Elder to South Farmingdale (New York) | 1,521.31 mi (2,448.31 km) |
