| Giresun to Nottingham | 2,010.08 mi (3,234.91 km) |
| Giresun to Nuneaton | 2,019.22 mi (3,249.62 km) |
| Giresun to Oadby | 2,003.60 mi (3,224.48 km) |
| Giresun to Oakengates | 2,061.60 mi (3,317.83 km) |
| Giresun to Oakham | 1,990.04 mi (3,202.67 km) |
| Giresun to Oldbury | 2,041.94 mi (3,286.18 km) |
| Giresun to Oldham | 2,055.59 mi (3,308.16 km) |
| Giresun to Ollerton | 2,007.30 mi (3,230.44 km) |
| Giresun to Olton | 2,032.61 mi (3,271.16 km) |
| Giresun to Omagh | 2,272.48 mi (3,657.20 km) |
| Giresun to Ormesby | 2,030.01 mi (3,266.98 km) |
| Giresun to Ormskirk | 2,087.10 mi (3,358.86 km) |
| Giresun to Orpington | 1,943.36 mi (3,127.54 km) |
| Giresun to Ossett | 2,035.29 mi (3,275.48 km) |
| Giresun to Oswaldtwistle | 2,068.81 mi (3,329.42 km) |
