| Armthorpe to Orangevale (California) | 5,137.88 mi (8,268.62 km) |
| Armthorpe to Orchards (Washington) | 4,766.13 mi (7,670.35 km) |
| Armthorpe to Orcutt (California) | 5,337.76 mi (8,590.29 km) |
| Armthorpe to Oregon (Ohio) | 3,703.59 mi (5,960.35 km) |
| Armthorpe to Oregon (Wisconsin) | 3,863.74 mi (6,218.09 km) |
| Armthorpe to Oregon City (Oregon) | 4,787.91 mi (7,705.40 km) |
| Armthorpe to Orem (Utah) | 4,759.21 mi (7,659.21 km) |
| Armthorpe to Orinda (California) | 5,212.71 mi (8,389.05 km) |
| Armthorpe to Orland Park (Illinois) | 3,871.32 mi (6,230.29 km) |
| Armthorpe to Orlando (Florida) | 4,274.14 mi (6,878.57 km) |
| Armthorpe to Ormond Beach (Florida) | 4,222.34 mi (6,795.21 km) |
| Armthorpe to Oro Valley (Arizona) | 5,176.33 mi (8,330.49 km) |
| Armthorpe to Oroville (California) | 5,100.23 mi (8,208.03 km) |
| Armthorpe to Oshkosh (Wisconsin) | 3,781.34 mi (6,085.48 km) |
| Armthorpe to Oskaloosa (Iowa) | 4,061.29 mi (6,536.01 km) |
