| Irthlingborough to San Luis Obispo (California) | 5,392.71 mi (8,678.73 km) |
| Irthlingborough to San Marcos (California) | 5,405.97 mi (8,700.07 km) |
| Irthlingborough to San Marcos (Texas) | 4,900.95 mi (7,887.32 km) |
| Irthlingborough to San Marino (California) | 5,379.35 mi (8,657.22 km) |
| Irthlingborough to San Mateo (California) | 5,308.65 mi (8,543.45 km) |
| Irthlingborough to San Pablo (California) | 5,285.56 mi (8,506.28 km) |
| Irthlingborough to San Rafael (California) | 5,289.17 mi (8,512.09 km) |
| Irthlingborough to San Ramon (California) | 5,285.39 mi (8,506.01 km) |
| Irthlingborough to San Tan Valley (Arizona) | 5,217.12 mi (8,396.14 km) |
| Irthlingborough to Sand Springs (Oklahoma) | 4,505.56 mi (7,251.00 km) |
| Irthlingborough to Sandusky (Ohio) | 3,735.08 mi (6,011.03 km) |
| Irthlingborough to Sandy (Oregon) | 4,852.14 mi (7,808.76 km) |
| Irthlingborough to Sandy (Utah) | 4,817.21 mi (7,752.55 km) |
| Irthlingborough to Sandy Springs (Georgia) | 4,159.24 mi (6,693.65 km) |
| Irthlingborough to Sanford (Florida) | 4,290.01 mi (6,904.10 km) |
