| Irthlingborough to St. George (Utah) | 5,066.32 mi (8,153.45 km) |
| Irthlingborough to St. Helens (Oregon) | 4,840.29 mi (7,789.69 km) |
| Irthlingborough to St. James (New York) | 3,382.52 mi (5,443.65 km) |
| Irthlingborough to St. John (Indiana) | 3,917.75 mi (6,305.00 km) |
| Irthlingborough to St. Joseph (Missouri) | 4,273.61 mi (6,877.71 km) |
| Irthlingborough to St. Louis (Missouri) | 4,158.16 mi (6,691.91 km) |
| Irthlingborough to St. Louis Park (Minnesota) | 3,967.70 mi (6,385.39 km) |
| Irthlingborough to St. Marys (Georgia) | 4,203.41 mi (6,764.74 km) |
| Irthlingborough to St. Marys (Pennsylvania) | 3,571.67 mi (5,748.05 km) |
| Irthlingborough to St. Matthews (Kentucky) | 3,999.44 mi (6,436.47 km) |
| Irthlingborough to St. Michael (Minnesota) | 3,967.23 mi (6,384.64 km) |
| Irthlingborough to St. Paul (Minnesota) | 3,958.49 mi (6,370.58 km) |
| Irthlingborough to St. Peter (Minnesota) | 4,018.64 mi (6,467.38 km) |
| Irthlingborough to St. Peters (Missouri) | 4,164.67 mi (6,702.39 km) |
| Irthlingborough to St. Petersburg (Florida) | 4,397.93 mi (7,077.78 km) |
