| Oak Ridge to Portage (Michigan) | 436.43 mi (702.37 km) |
| Oak Ridge to Portage (Wisconsin) | 591.41 mi (951.78 km) |
| Oak Ridge to Portales (New Mexico) | 1,083.30 mi (1,743.40 km) |
| Oak Ridge to Porterville (California) | 1,931.03 mi (3,107.70 km) |
| Oak Ridge to Portland (Maine) | 913.25 mi (1,469.74 km) |
| Oak Ridge to Portland (Oregon) | 2,091.05 mi (3,365.21 km) |
| Oak Ridge to Portland (Tennessee) | 131.58 mi (211.75 km) |
| Oak Ridge to Portland (Texas) | 944.59 mi (1,520.17 km) |
| Oak Ridge to Portsmouth (New Hampshire) | 869.47 mi (1,399.28 km) |
| Oak Ridge to Portsmouth (Ohio) | 206.51 mi (332.34 km) |
| Oak Ridge to Portsmouth (Virginia) | 445.58 mi (717.10 km) |
| Oak Ridge to Post Falls (Idaho) | 1,848.01 mi (2,974.09 km) |
| Oak Ridge to Potomac (Maryland) | 442.42 mi (712.01 km) |
| Oak Ridge to Potomac Park (California) | 1,936.36 mi (3,116.28 km) |
| Oak Ridge to Pottstown (Pennsylvania) | 555.33 mi (893.72 km) |
