| Irthlingborough to Somersworth (New Hampshire) | 3,189.55 mi (5,133.09 km) |
| Irthlingborough to Somerton (Arizona) | 5,355.28 mi (8,618.49 km) |
| Irthlingborough to Somerville (Massachusetts) | 3,234.48 mi (5,205.39 km) |
| Irthlingborough to Somerville (New Jersey) | 3,454.79 mi (5,559.94 km) |
| Irthlingborough to Sonoma (California) | 5,269.85 mi (8,481.01 km) |
| Irthlingborough to Soquel (California) | 5,330.33 mi (8,578.33 km) |
| Irthlingborough to South Bend (Indiana) | 3,861.27 mi (6,214.12 km) |
| Irthlingborough to South Bradenton (Florida) | 4,411.42 mi (7,099.50 km) |
| Irthlingborough to South Burlington (Vermont) | 3,232.28 mi (5,201.84 km) |
| Irthlingborough to South Charleston (West Virginia) | 3,840.68 mi (6,180.98 km) |
| Irthlingborough to South Daytona (Florida) | 4,259.85 mi (6,855.57 km) |
| Irthlingborough to South El Monte (California) | 5,381.49 mi (8,660.68 km) |
| Irthlingborough to South Elgin (Illinois) | 3,923.66 mi (6,314.51 km) |
| Irthlingborough to South Euclid (Ohio) | 3,685.82 mi (5,931.76 km) |
| Irthlingborough to South Farmingdale (New York) | 3,401.41 mi (5,474.04 km) |
