| Irthlingborough to Felida (Washington) | 4,845.75 mi (7,798.48 km) |
| Irthlingborough to Fenton (Michigan) | 3,712.19 mi (5,974.19 km) |
| Irthlingborough to Fergus Falls (Minnesota) | 3,998.29 mi (6,434.63 km) |
| Irthlingborough to Ferguson (Missouri) | 4,154.51 mi (6,686.04 km) |
| Irthlingborough to Fernandina Beach (Florida) | 4,203.41 mi (6,764.74 km) |
| Irthlingborough to Ferndale (Maryland) | 3,598.43 mi (5,791.11 km) |
| Irthlingborough to Ferndale (Michigan) | 3,705.36 mi (5,963.19 km) |
| Irthlingborough to Ferndale (Washington) | 4,662.31 mi (7,503.26 km) |
| Irthlingborough to Fernley (Nevada) | 5,100.18 mi (8,207.94 km) |
| Irthlingborough to Ferry Pass (Florida) | 4,443.85 mi (7,151.69 km) |
| Irthlingborough to Festus (Missouri) | 4,184.89 mi (6,734.93 km) |
| Irthlingborough to Fife (Washington) | 4,748.92 mi (7,642.66 km) |
| Irthlingborough to Fillmore (California) | 5,388.79 mi (8,672.42 km) |
| Irthlingborough to Findlay (Ohio) | 3,789.71 mi (6,098.95 km) |
| Irthlingborough to Finneytown (Ohio) | 3,909.52 mi (6,291.77 km) |
