| Barstow to Norwich | 5,348.82 mi (8,608.09 km) |
| Barstow to Nottingham | 5,257.41 mi (8,460.99 km) |
| Barstow to Nuneaton | 5,266.57 mi (8,475.73 km) |
| Barstow to Oadby | 5,275.69 mi (8,490.40 km) |
| Barstow to Oakengates | 5,227.34 mi (8,412.59 km) |
| Barstow to Oakham | 5,283.35 mi (8,502.73 km) |
| Barstow to Oldbury | 5,249.77 mi (8,448.69 km) |
| Barstow to Oldham | 5,200.53 mi (8,369.45 km) |
| Barstow to Ollerton | 5,250.44 mi (8,449.77 km) |
| Barstow to Olton | 5,259.53 mi (8,464.39 km) |
| Barstow to Omagh | 4,990.54 mi (8,031.50 km) |
| Barstow to Ormesby | 5,185.06 mi (8,344.54 km) |
| Barstow to Ormskirk | 5,175.15 mi (8,328.60 km) |
| Barstow to Orpington | 5,369.00 mi (8,640.57 km) |
| Barstow to Ossett | 5,211.41 mi (8,386.96 km) |
