| Longford to Somersworth (New Hampshire) | 2,876.14 mi (4,628.71 km) |
| Longford to Somerton (Arizona) | 5,055.77 mi (8,136.48 km) |
| Longford to Somerville (Massachusetts) | 2,921.33 mi (4,701.43 km) |
| Longford to Somerville (New Jersey) | 3,141.52 mi (5,055.79 km) |
| Longford to Sonoma (California) | 4,988.04 mi (8,027.47 km) |
| Longford to Soquel (California) | 5,045.94 mi (8,120.66 km) |
| Longford to South Bend (Indiana) | 3,548.78 mi (5,711.20 km) |
| Longford to South Bradenton (Florida) | 4,101.67 mi (6,601.01 km) |
| Longford to South Burlington (Vermont) | 2,918.48 mi (4,696.84 km) |
| Longford to South Charleston (West Virginia) | 3,526.92 mi (5,676.03 km) |
| Longford to South Daytona (Florida) | 3,949.98 mi (6,356.88 km) |
| Longford to South El Monte (California) | 5,087.73 mi (8,187.91 km) |
| Longford to South Elgin (Illinois) | 3,612.05 mi (5,813.03 km) |
| Longford to South Euclid (Ohio) | 3,372.23 mi (5,427.09 km) |
| Longford to South Farmingdale (New York) | 3,088.36 mi (4,970.24 km) |
