| Irthlingborough to Exeter (California) | 5,286.62 mi (8,508.00 km) |
| Irthlingborough to Fair Lawn (New Jersey) | 3,418.82 mi (5,502.07 km) |
| Irthlingborough to Fair Oaks (California) | 5,213.61 mi (8,390.49 km) |
| Irthlingborough to Fair Oaks (Virginia) | 3,642.33 mi (5,861.76 km) |
| Irthlingborough to Fairbanks (Alaska) | 4,153.38 mi (6,684.21 km) |
| Irthlingborough to Fairborn (Ohio) | 3,862.25 mi (6,215.69 km) |
| Irthlingborough to Fairburn (Georgia) | 4,187.24 mi (6,738.72 km) |
| Irthlingborough to Fairfax (Virginia) | 3,640.52 mi (5,858.85 km) |
| Irthlingborough to Fairfax Station (Virginia) | 3,644.67 mi (5,865.54 km) |
| Irthlingborough to Fairfield (California) | 5,259.32 mi (8,464.06 km) |
| Irthlingborough to Fairfield (Ohio) | 3,905.15 mi (6,284.73 km) |
| Irthlingborough to Fairhope (Alabama) | 4,471.65 mi (7,196.43 km) |
| Irthlingborough to Fairland (Maryland) | 3,616.16 mi (5,819.64 km) |
| Irthlingborough to Fairmont (Minnesota) | 4,069.39 mi (6,549.05 km) |
| Irthlingborough to Fairmont (West Virginia) | 3,725.66 mi (5,995.86 km) |
