| Clarksburg to Oswaldtwistle | 3,522.96 mi (5,669.65 km) |
| Clarksburg to Oswestry | 3,513.41 mi (5,654.28 km) |
| Clarksburg to Otley | 3,547.57 mi (5,709.26 km) |
| Clarksburg to Ovenden | 3,543.19 mi (5,702.22 km) |
| Clarksburg to Oxford | 3,608.35 mi (5,807.08 km) |
| Clarksburg to Oxted | 3,670.28 mi (5,906.74 km) |
| Clarksburg to Padbury | 3,616.07 mi (5,819.51 km) |
| Clarksburg to Padiham | 3,525.16 mi (5,673.20 km) |
| Clarksburg to Paignton | 3,540.89 mi (5,698.51 km) |
| Clarksburg to Paisley | 3,408.89 mi (5,486.08 km) |
| Clarksburg to Palmers Green | 3,657.96 mi (5,886.92 km) |
| Clarksburg to Parkstone | 3,602.35 mi (5,797.43 km) |
| Clarksburg to Partick | 3,412.74 mi (5,492.27 km) |
| Clarksburg to Patcham | 3,673.33 mi (5,911.65 km) |
| Clarksburg to Peebles | 3,458.70 mi (5,566.24 km) |
