| Irthlingborough to Friendswood (Texas) | 4,813.99 mi (7,747.37 km) |
| Irthlingborough to Frisco (Texas) | 4,685.78 mi (7,541.03 km) |
| Irthlingborough to Front Royal (Virginia) | 3,672.68 mi (5,910.60 km) |
| Irthlingborough to Fruit Cove (Florida) | 4,238.27 mi (6,820.84 km) |
| Irthlingborough to Fruita (Colorado) | 4,792.80 mi (7,713.26 km) |
| Irthlingborough to Fruitville (Florida) | 4,412.99 mi (7,102.02 km) |
| Irthlingborough to Fuller Heights (Florida) | 4,363.76 mi (7,022.79 km) |
| Irthlingborough to Fullerton (California) | 5,387.16 mi (8,669.79 km) |
| Irthlingborough to Fullerton (Pennsylvania) | 3,487.19 mi (5,612.09 km) |
| Irthlingborough to Fulshear (Texas) | 4,831.02 mi (7,774.77 km) |
| Irthlingborough to Fulton (Missouri) | 4,211.88 mi (6,778.36 km) |
| Irthlingborough to Fulton (New York) | 3,406.56 mi (5,482.34 km) |
| Irthlingborough to Fuquay-Varina (North Carolina) | 3,852.81 mi (6,200.50 km) |
| Irthlingborough to Gadsden (Alabama) | 4,221.49 mi (6,793.84 km) |
| Irthlingborough to Gaffney (South Carolina) | 3,994.38 mi (6,428.33 km) |
