| Grinon to Fern Down | 737.92 mi (1,187.57 km) |
| Grinon to Ferryhill | 1,005.62 mi (1,618.40 km) |
| Grinon to Finchley | 805.65 mi (1,296.56 km) |
| Grinon to Fleet | 778.06 mi (1,252.16 km) |
| Grinon to Fleetwood | 947.75 mi (1,525.25 km) |
| Grinon to Flint | 901.01 mi (1,450.04 km) |
| Grinon to Flitwick | 829.86 mi (1,335.54 km) |
| Grinon to Flixton | 916.67 mi (1,475.24 km) |
| Grinon to Folkestone | 788.30 mi (1,268.65 km) |
| Grinon to Forfar | 1,135.86 mi (1,827.99 km) |
| Grinon to Formby | 922.56 mi (1,484.72 km) |
| Grinon to Forres | 1,201.67 mi (1,933.89 km) |
| Grinon to Fort William | 1,148.55 mi (1,848.42 km) |
| Grinon to Fraserburgh | 1,210.28 mi (1,947.76 km) |
| Grinon to Friern Barnet | 806.86 mi (1,298.51 km) |
