| Ottawa to Fenton | 3,894.35 mi (6,267.35 km) |
| Ottawa to Fern Down | 3,971.76 mi (6,391.92 km) |
| Ottawa to Ferryhill | 3,866.34 mi (6,222.27 km) |
| Ottawa to Finchley | 4,012.28 mi (6,457.14 km) |
| Ottawa to Fleet | 3,997.33 mi (6,433.07 km) |
| Ottawa to Fleetwood | 3,835.30 mi (6,172.32 km) |
| Ottawa to Flint | 3,850.30 mi (6,196.45 km) |
| Ottawa to Flitwick | 3,987.59 mi (6,417.40 km) |
| Ottawa to Flixton | 3,872.22 mi (6,231.74 km) |
| Ottawa to Folkestone | 4,080.67 mi (6,567.21 km) |
| Ottawa to Forfar | 3,763.53 mi (6,056.81 km) |
| Ottawa to Formby | 3,843.82 mi (6,186.02 km) |
| Ottawa to Forres | 3,712.70 mi (5,975.01 km) |
| Ottawa to Fort William | 3,681.17 mi (5,924.27 km) |
| Ottawa to Fraserburgh | 3,765.64 mi (6,060.20 km) |
