| Grass Valley to Forli | 5,973.43 mi (9,613.31 km) |
| Grass Valley to Forlimpopoli | 5,978.61 mi (9,621.65 km) |
| Grass Valley to Formello | 6,106.00 mi (9,826.65 km) |
| Grass Valley to Formia | 6,187.82 mi (9,958.34 km) |
| Grass Valley to Formigine | 5,920.71 mi (9,528.47 km) |
| Grass Valley to Fossano | 5,830.63 mi (9,383.49 km) |
| Grass Valley to Fossombrone | 6,025.35 mi (9,696.86 km) |
| Grass Valley to Francavilla al Mare | 6,140.61 mi (9,882.36 km) |
| Grass Valley to Francavilla Fontana | 6,340.87 mi (10,204.65 km) |
| Grass Valley to Francofonte | 6,458.38 mi (10,393.76 km) |
| Grass Valley to Frascati | 6,129.41 mi (9,864.34 km) |
| Grass Valley to Frattamaggiore | 6,226.11 mi (10,019.95 km) |
| Grass Valley to Frattaminore | 6,224.67 mi (10,017.63 km) |
| Grass Valley to Frosinone | 6,159.08 mi (9,912.08 km) |
| Grass Valley to Fucecchio | 5,966.18 mi (9,601.64 km) |
