| Irthlingborough to Floha | 595.23 mi (957.92 km) |
| Irthlingborough to Florsheim | 422.76 mi (680.37 km) |
| Irthlingborough to Florstadt | 431.73 mi (694.81 km) |
| Irthlingborough to Forchheim | 537.52 mi (865.06 km) |
| Irthlingborough to Foritz | 528.94 mi (851.25 km) |
| Irthlingborough to Forst (Lausitz) | 648.25 mi (1,043.26 km) |
| Irthlingborough to Frankenberg | 592.83 mi (954.07 km) |
| Irthlingborough to Frankenberg | 412.12 mi (663.24 km) |
| Irthlingborough to Frankenthal | 434.99 mi (700.04 km) |
| Irthlingborough to Frankfurt | 430.02 mi (692.05 km) |
| Irthlingborough to Frankfurt (Oder) | 639.14 mi (1,028.59 km) |
| Irthlingborough to Frechen | 333.09 mi (536.05 km) |
| Irthlingborough to Freiberg | 605.66 mi (974.72 km) |
| Irthlingborough to Freiberg am Neckar | 489.22 mi (787.33 km) |
| Irthlingborough to Freiburg im Breisgau | 478.88 mi (770.68 km) |
