| Middlesex to Fortuna (California) | 2,569.08 mi (4,134.54 km) |
| Middlesex to Fortuna Foothills (Arizona) | 2,258.57 mi (3,634.81 km) |
| Middlesex to Foster City (California) | 2,539.46 mi (4,086.87 km) |
| Middlesex to Fostoria (Ohio) | 467.15 mi (751.81 km) |
| Middlesex to Fountain (Colorado) | 1,603.48 mi (2,580.55 km) |
| Middlesex to Fountain Hills (Arizona) | 2,091.59 mi (3,366.09 km) |
| Middlesex to Fountain Inn (South Carolina) | 584.58 mi (940.80 km) |
| Middlesex to Fountain Valley (California) | 2,414.55 mi (3,885.85 km) |
| Middlesex to Fountainebleau (Florida) | 1,076.45 mi (1,732.38 km) |
| Middlesex to Four Corners (Oregon) | 2,440.75 mi (3,928.01 km) |
| Middlesex to Four Corners (Texas) | 1,407.55 mi (2,265.23 km) |
| Middlesex to Four Square Mile (Colorado) | 1,598.53 mi (2,572.59 km) |
| Middlesex to Fox Crossing (Wisconsin) | 755.15 mi (1,215.30 km) |
| Middlesex to Fox Lake (Illinois) | 718.70 mi (1,156.63 km) |
| Middlesex to Framingham (Massachusetts) | 198.84 mi (320.00 km) |
