| Sredets to Nottingham | 1,495.14 mi (2,406.19 km) |
| Sredets to Nuneaton | 1,499.07 mi (2,412.52 km) |
| Sredets to Oadby | 1,484.83 mi (2,389.60 km) |
| Sredets to Oakengates | 1,541.99 mi (2,481.60 km) |
| Sredets to Oakham | 1,472.59 mi (2,369.91 km) |
| Sredets to Oldbury | 1,520.86 mi (2,447.59 km) |
| Sredets to Oldham | 1,545.76 mi (2,487.67 km) |
| Sredets to Ollerton | 1,495.36 mi (2,406.54 km) |
| Sredets to Olton | 1,511.09 mi (2,431.86 km) |
| Sredets to Omagh | 1,767.27 mi (2,844.15 km) |
| Sredets to Ormesby | 1,533.61 mi (2,468.11 km) |
| Sredets to Ormskirk | 1,576.35 mi (2,536.89 km) |
| Sredets to Orpington | 1,413.06 mi (2,274.10 km) |
| Sredets to Ossett | 1,527.88 mi (2,458.89 km) |
| Sredets to Oswaldtwistle | 1,560.78 mi (2,511.83 km) |
