| Isperih to Nottingham | 1,422.60 mi (2,289.45 km) |
| Isperih to Nuneaton | 1,427.98 mi (2,298.10 km) |
| Isperih to Oadby | 1,413.31 mi (2,274.50 km) |
| Isperih to Oakengates | 1,470.85 mi (2,367.11 km) |
| Isperih to Oakham | 1,400.67 mi (2,254.16 km) |
| Isperih to Oldbury | 1,450.08 mi (2,333.69 km) |
| Isperih to Oldham | 1,472.03 mi (2,369.01 km) |
| Isperih to Ollerton | 1,422.03 mi (2,288.53 km) |
| Isperih to Olton | 1,440.41 mi (2,318.12 km) |
| Isperih to Omagh | 1,692.94 mi (2,724.52 km) |
| Isperih to Ormesby | 1,456.70 mi (2,344.33 km) |
| Isperih to Ormskirk | 1,502.93 mi (2,418.73 km) |
| Isperih to Orpington | 1,344.83 mi (2,164.29 km) |
| Isperih to Ossett | 1,453.50 mi (2,339.18 km) |
| Isperih to Oswaldtwistle | 1,486.64 mi (2,392.51 km) |
