| Friern Barnet to Orangevale (California) | 5,259.50 mi (8,464.35 km) |
| Friern Barnet to Orchards (Washington) | 4,892.84 mi (7,874.26 km) |
| Friern Barnet to Orcutt (California) | 5,456.20 mi (8,780.91 km) |
| Friern Barnet to Oregon (Ohio) | 3,791.86 mi (6,102.41 km) |
| Friern Barnet to Oregon (Wisconsin) | 3,960.52 mi (6,373.84 km) |
| Friern Barnet to Oregon City (Oregon) | 4,914.46 mi (7,909.05 km) |
| Friern Barnet to Orem (Utah) | 4,874.22 mi (7,844.30 km) |
| Friern Barnet to Orinda (California) | 5,334.57 mi (8,585.16 km) |
| Friern Barnet to Orland Park (Illinois) | 3,964.47 mi (6,380.19 km) |
| Friern Barnet to Orlando (Florida) | 4,337.51 mi (6,980.55 km) |
| Friern Barnet to Ormond Beach (Florida) | 4,286.69 mi (6,898.77 km) |
| Friern Barnet to Oro Valley (Arizona) | 5,283.63 mi (8,503.18 km) |
| Friern Barnet to Oroville (California) | 5,222.62 mi (8,405.00 km) |
| Friern Barnet to Oshkosh (Wisconsin) | 3,878.93 mi (6,242.54 km) |
| Friern Barnet to Oskaloosa (Iowa) | 4,159.10 mi (6,693.42 km) |
