| Mack to Somersworth (New Hampshire) | 769.94 mi (1,239.11 km) |
| Mack to Somerton (Arizona) | 1,731.77 mi (2,787.02 km) |
| Mack to Somerville (Massachusetts) | 743.99 mi (1,197.34 km) |
| Mack to Somerville (New Jersey) | 542.72 mi (873.42 km) |
| Mack to Sonoma (California) | 2,022.67 mi (3,255.18 km) |
| Mack to Soquel (California) | 2,018.33 mi (3,248.19 km) |
| Mack to South Bend (Indiana) | 193.63 mi (311.61 km) |
| Mack to South Bradenton (Florida) | 816.52 mi (1,314.06 km) |
| Mack to South Burlington (Vermont) | 694.05 mi (1,116.97 km) |
| Mack to South Charleston (West Virginia) | 169.15 mi (272.22 km) |
| Mack to South Daytona (Florida) | 720.88 mi (1,160.14 km) |
| Mack to South El Monte (California) | 1,873.29 mi (3,014.76 km) |
| Mack to South Elgin (Illinois) | 273.66 mi (440.42 km) |
| Mack to South Euclid (Ohio) | 233.49 mi (375.76 km) |
| Mack to South Farmingdale (New York) | 604.42 mi (972.72 km) |
