| Norristown to Somersworth (New Hampshire) | 315.53 mi (507.80 km) |
| Norristown to Somerton (Arizona) | 2,231.58 mi (3,591.38 km) |
| Norristown to Somerville (Massachusetts) | 270.18 mi (434.82 km) |
| Norristown to Somerville (New Jersey) | 49.34 mi (79.40 km) |
| Norristown to Sonoma (California) | 2,496.14 mi (4,017.14 km) |
| Norristown to Soquel (California) | 2,498.57 mi (4,021.06 km) |
| Norristown to South Bend (Indiana) | 580.40 mi (934.06 km) |
| Norristown to South Bradenton (Florida) | 967.74 mi (1,557.42 km) |
| Norristown to South Burlington (Vermont) | 318.78 mi (513.03 km) |
| Norristown to South Charleston (West Virginia) | 362.60 mi (583.55 km) |
| Norristown to South Daytona (Florida) | 822.21 mi (1,323.22 km) |
| Norristown to South El Monte (California) | 2,367.97 mi (3,810.88 km) |
| Norristown to South Elgin (Illinois) | 687.44 mi (1,106.33 km) |
| Norristown to South Euclid (Ohio) | 337.47 mi (543.10 km) |
| Norristown to South Farmingdale (New York) | 107.70 mi (173.33 km) |
