| Mason City to Friern Barnet | 4,090.43 mi (6,582.91 km) |
| Mason City to Frimley | 4,080.11 mi (6,566.30 km) |
| Mason City to Frodsham | 3,938.12 mi (6,337.79 km) |
| Mason City to Frome | 4,024.79 mi (6,477.28 km) |
| Mason City to Fulham | 4,093.85 mi (6,588.42 km) |
| Mason City to Fulwood | 3,977.96 mi (6,401.90 km) |
| Mason City to Gainsborough | 4,004.06 mi (6,443.91 km) |
| Mason City to Galashiels | 3,857.86 mi (6,208.62 km) |
| Mason City to Garforth | 3,968.67 mi (6,386.95 km) |
| Mason City to Gateshead | 3,921.61 mi (6,311.22 km) |
| Mason City to Giffnock | 3,800.48 mi (6,116.28 km) |
| Mason City to Gillingham | 4,033.30 mi (6,490.97 km) |
| Mason City to Gillingham | 4,124.59 mi (6,637.89 km) |
| Mason City to Glasgow | 3,800.26 mi (6,115.92 km) |
| Mason City to Glastonbury | 4,013.01 mi (6,458.31 km) |
