| Rancho Santa Margarita to Fortuna (California) | 600.32 mi (966.12 km) |
| Rancho Santa Margarita to Fortuna Foothills (Arizona) | 196.95 mi (316.96 km) |
| Rancho Santa Margarita to Foster City (California) | 377.05 mi (606.80 km) |
| Rancho Santa Margarita to Fostoria (Ohio) | 1,933.60 mi (3,111.84 km) |
| Rancho Santa Margarita to Fountain (Colorado) | 799.72 mi (1,287.02 km) |
| Rancho Santa Margarita to Fountain Hills (Arizona) | 337.06 mi (542.45 km) |
| Rancho Santa Margarita to Fountain Inn (South Carolina) | 2,014.57 mi (3,242.13 km) |
| Rancho Santa Margarita to Fountain Valley (California) | 20.99 mi (33.78 km) |
| Rancho Santa Margarita to Fountainebleau (Florida) | 2,287.65 mi (3,681.61 km) |
| Rancho Santa Margarita to Four Corners (Oregon) | 831.30 mi (1,337.85 km) |
| Rancho Santa Margarita to Four Corners (Texas) | 1,316.40 mi (2,118.55 km) |
| Rancho Santa Margarita to Four Square Mile (Colorado) | 817.99 mi (1,316.43 km) |
| Rancho Santa Margarita to Fox Crossing (Wisconsin) | 1,715.82 mi (2,761.35 km) |
| Rancho Santa Margarita to Fox Lake (Illinois) | 1,701.75 mi (2,738.70 km) |
| Rancho Santa Margarita to Framingham (Massachusetts) | 2,552.15 mi (4,107.29 km) |
