| Castro Valley to Fisciano | 6,368.22 mi (10,248.67 km) |
| Castro Valley to Fiuggi | 6,263.42 mi (10,080.00 km) |
| Castro Valley to Fiume Veneto | 6,013.21 mi (9,677.33 km) |
| Castro Valley to Fiumefreddo di Sicilia | 6,552.30 mi (10,544.91 km) |
| Castro Valley to Fiumicino | 6,236.88 mi (10,037.29 km) |
| Castro Valley to Flero | 5,967.70 mi (9,604.09 km) |
| Castro Valley to Florence | 6,094.82 mi (9,808.66 km) |
| Castro Valley to Floridia | 6,592.52 mi (10,609.64 km) |
| Castro Valley to Foggia | 6,348.46 mi (10,216.86 km) |
| Castro Valley to Foiano della Chiana | 6,140.49 mi (9,882.17 km) |
| Castro Valley to Folignano | 6,216.78 mi (10,004.94 km) |
| Castro Valley to Foligno | 6,182.80 mi (9,950.26 km) |
| Castro Valley to Follonica | 6,128.56 mi (9,862.96 km) |
| Castro Valley to Fondi | 6,295.02 mi (10,130.85 km) |
| Castro Valley to Fontanafredda | 6,006.80 mi (9,667.01 km) |
