| Oak Harbor to Norwich | 4,726.69 mi (7,606.87 km) |
| Oak Harbor to Nottingham | 4,647.13 mi (7,478.83 km) |
| Oak Harbor to Nuneaton | 4,662.36 mi (7,503.35 km) |
| Oak Harbor to Oadby | 4,668.35 mi (7,512.99 km) |
| Oak Harbor to Oakengates | 4,627.45 mi (7,447.16 km) |
| Oak Harbor to Oakham | 4,673.23 mi (7,520.84 km) |
| Oak Harbor to Oldbury | 4,649.09 mi (7,481.99 km) |
| Oak Harbor to Oldham | 4,590.30 mi (7,387.37 km) |
| Oak Harbor to Ollerton | 4,637.01 mi (7,462.54 km) |
| Oak Harbor to Olton | 4,658.22 mi (7,496.68 km) |
| Oak Harbor to Omagh | 4,399.37 mi (7,080.10 km) |
| Oak Harbor to Ormesby | 4,559.65 mi (7,338.06 km) |
| Oak Harbor to Ormskirk | 4,569.25 mi (7,353.50 km) |
| Oak Harbor to Orpington | 4,765.95 mi (7,670.05 km) |
| Oak Harbor to Ossett | 4,596.69 mi (7,397.66 km) |
