| Pendleton to Odenton (Maryland) | 2,172.13 mi (3,495.70 km) |
| Pendleton to Odessa (Texas) | 1,297.20 mi (2,087.64 km) |
| Pendleton to Ogden (Utah) | 460.73 mi (741.47 km) |
| Pendleton to Oildale (California) | 708.04 mi (1,139.49 km) |
| Pendleton to Ojus (Florida) | 2,523.00 mi (4,060.38 km) |
| Pendleton to Okemos (Michigan) | 1,703.58 mi (2,741.64 km) |
| Pendleton to Oklahoma City (Oklahoma) | 1,315.73 mi (2,117.47 km) |
| Pendleton to Okmulgee (Oklahoma) | 1,376.18 mi (2,214.75 km) |
| Pendleton to Olathe (Kansas) | 1,307.42 mi (2,104.09 km) |
| Pendleton to Old Jamestown (Missouri) | 1,524.34 mi (2,453.19 km) |
| Pendleton to Oldsmar (Florida) | 2,311.38 mi (3,719.81 km) |
| Pendleton to Olean (New York) | 2,005.15 mi (3,226.98 km) |
| Pendleton to Olive Branch (Mississippi) | 1,683.82 mi (2,709.84 km) |
| Pendleton to Olivehurst (California) | 476.59 mi (767.00 km) |
| Pendleton to Olney (Maryland) | 2,151.49 mi (3,462.49 km) |
