| Duncan to Friern Barnet | 4,695.25 mi (7,556.27 km) |
| Duncan to Frimley | 4,682.94 mi (7,536.47 km) |
| Duncan to Frodsham | 4,546.09 mi (7,316.23 km) |
| Duncan to Frome | 4,625.02 mi (7,443.25 km) |
| Duncan to Fulham | 4,698.11 mi (7,560.88 km) |
| Duncan to Fulwood | 4,587.63 mi (7,383.08 km) |
| Duncan to Gainsborough | 4,614.80 mi (7,426.80 km) |
| Duncan to Galashiels | 4,474.33 mi (7,200.74 km) |
| Duncan to Garforth | 4,580.11 mi (7,370.97 km) |
| Duncan to Gateshead | 4,536.96 mi (7,301.53 km) |
| Duncan to Giffnock | 4,416.15 mi (7,107.11 km) |
| Duncan to Gillingham | 4,632.80 mi (7,455.78 km) |
| Duncan to Gillingham | 4,729.53 mi (7,611.44 km) |
| Duncan to Glasgow | 4,416.18 mi (7,107.15 km) |
| Duncan to Glastonbury | 4,612.34 mi (7,422.84 km) |
