| Armthorpe to Odessa (Texas) | 4,904.16 mi (7,892.48 km) |
| Armthorpe to Ogden (Utah) | 4,716.07 mi (7,589.78 km) |
| Armthorpe to Oildale (California) | 5,262.96 mi (8,469.91 km) |
| Armthorpe to Ojus (Florida) | 4,357.42 mi (7,012.59 km) |
| Armthorpe to Okemos (Michigan) | 3,690.98 mi (5,940.06 km) |
| Armthorpe to Oklahoma City (Oklahoma) | 4,536.57 mi (7,300.91 km) |
| Armthorpe to Okmulgee (Oklahoma) | 4,473.74 mi (7,199.79 km) |
| Armthorpe to Olathe (Kansas) | 4,261.49 mi (6,858.20 km) |
| Armthorpe to Old Jamestown (Missouri) | 4,097.15 mi (6,593.73 km) |
| Armthorpe to Oldsmar (Florida) | 4,349.95 mi (7,000.57 km) |
| Armthorpe to Olean (New York) | 3,492.90 mi (5,621.29 km) |
| Armthorpe to Olive Branch (Mississippi) | 4,276.57 mi (6,882.47 km) |
| Armthorpe to Olivehurst (California) | 5,124.62 mi (8,247.28 km) |
| Armthorpe to Olney (Maryland) | 3,575.72 mi (5,754.56 km) |
| Armthorpe to Olympia (Washington) | 4,697.17 mi (7,559.36 km) |
