| Portage to Norwich | 3,873.61 mi (6,233.97 km) |
| Portage to Nottingham | 3,772.07 mi (6,070.57 km) |
| Portage to Nuneaton | 3,772.74 mi (6,071.63 km) |
| Portage to Oadby | 3,785.35 mi (6,091.94 km) |
| Portage to Oakengates | 3,730.33 mi (6,003.38 km) |
| Portage to Oakham | 3,796.18 mi (6,109.37 km) |
| Portage to Oldbury | 3,752.41 mi (6,038.92 km) |
| Portage to Oldham | 3,718.68 mi (5,984.64 km) |
| Portage to Ollerton | 3,769.70 mi (6,066.75 km) |
| Portage to Olton | 3,762.39 mi (6,054.98 km) |
| Portage to Omagh | 3,497.25 mi (5,628.28 km) |
| Portage to Ormesby | 3,724.82 mi (5,994.52 km) |
| Portage to Ormskirk | 3,689.19 mi (5,937.17 km) |
| Portage to Orpington | 3,867.60 mi (6,224.30 km) |
| Portage to Ossett | 3,734.86 mi (6,010.68 km) |
