| Longford to San Luis Obispo (California) | 5,104.14 mi (8,214.32 km) |
| Longford to San Marcos (California) | 5,110.05 mi (8,223.83 km) |
| Longford to San Marcos (Texas) | 4,587.82 mi (7,383.38 km) |
| Longford to San Marino (California) | 5,085.76 mi (8,184.73 km) |
| Longford to San Mateo (California) | 5,025.60 mi (8,087.92 km) |
| Longford to San Pablo (California) | 5,003.11 mi (8,051.72 km) |
| Longford to San Rafael (California) | 5,007.05 mi (8,058.06 km) |
| Longford to San Ramon (California) | 5,002.01 mi (8,049.95 km) |
| Longford to San Tan Valley (Arizona) | 4,914.74 mi (7,909.51 km) |
| Longford to Sand Springs (Oklahoma) | 4,194.10 mi (6,749.75 km) |
| Longford to Sandusky (Ohio) | 3,421.64 mi (5,506.60 km) |
| Longford to Sandy (Oregon) | 4,580.86 mi (7,372.19 km) |
| Longford to Sandy (Utah) | 4,523.23 mi (7,279.44 km) |
| Longford to Sandy Springs (Georgia) | 3,845.82 mi (6,189.24 km) |
| Longford to Sanford (Florida) | 3,980.22 mi (6,405.54 km) |
