| Demir Hisar to Nottingham | 1,318.38 mi (2,121.73 km) |
| Demir Hisar to Nuneaton | 1,316.09 mi (2,118.05 km) |
| Demir Hisar to Oadby | 1,303.97 mi (2,098.53 km) |
| Demir Hisar to Oakengates | 1,358.27 mi (2,185.92 km) |
| Demir Hisar to Oakham | 1,293.70 mi (2,082.01 km) |
| Demir Hisar to Oldbury | 1,336.08 mi (2,150.21 km) |
| Demir Hisar to Oldham | 1,373.12 mi (2,209.82 km) |
| Demir Hisar to Ollerton | 1,322.04 mi (2,127.62 km) |
| Demir Hisar to Olton | 1,326.09 mi (2,134.14 km) |
| Demir Hisar to Omagh | 1,593.14 mi (2,563.91 km) |
| Demir Hisar to Ormesby | 1,376.09 mi (2,214.60 km) |
| Demir Hisar to Ormskirk | 1,401.68 mi (2,255.78 km) |
| Demir Hisar to Orpington | 1,220.55 mi (1,964.28 km) |
| Demir Hisar to Ossett | 1,358.56 mi (2,186.39 km) |
| Demir Hisar to Oswaldtwistle | 1,389.64 mi (2,236.42 km) |
