| Clarksburg to Norwich | 3,691.57 mi (5,941.01 km) |
| Clarksburg to Nottingham | 3,587.59 mi (5,773.67 km) |
| Clarksburg to Nuneaton | 3,583.70 mi (5,767.40 km) |
| Clarksburg to Oadby | 3,597.83 mi (5,790.15 km) |
| Clarksburg to Oakengates | 3,540.78 mi (5,698.34 km) |
| Clarksburg to Oakham | 3,610.05 mi (5,809.81 km) |
| Clarksburg to Oldbury | 3,562.05 mi (5,732.56 km) |
| Clarksburg to Oldham | 3,537.60 mi (5,693.21 km) |
| Clarksburg to Ollerton | 3,587.72 mi (5,773.88 km) |
| Clarksburg to Olton | 3,571.87 mi (5,748.36 km) |
| Clarksburg to Omagh | 3,316.70 mi (5,337.71 km) |
| Clarksburg to Ormesby | 3,554.89 mi (5,721.05 km) |
| Clarksburg to Ormskirk | 3,506.77 mi (5,643.61 km) |
| Clarksburg to Orpington | 3,671.89 mi (5,909.34 km) |
| Clarksburg to Ossett | 3,556.11 mi (5,723.00 km) |
