| Iernut to Nottingham | 1,211.96 mi (1,950.45 km) |
| Iernut to Nuneaton | 1,219.53 mi (1,962.65 km) |
| Iernut to Oadby | 1,204.26 mi (1,938.07 km) |
| Iernut to Oakengates | 1,262.17 mi (2,031.27 km) |
| Iernut to Oakham | 1,191.06 mi (1,916.82 km) |
| Iernut to Oldbury | 1,242.05 mi (1,998.89 km) |
| Iernut to Oldham | 1,259.46 mi (2,026.90 km) |
| Iernut to Ollerton | 1,210.21 mi (1,947.65 km) |
| Iernut to Olton | 1,232.58 mi (1,983.65 km) |
| Iernut to Omagh | 1,478.93 mi (2,380.12 km) |
| Iernut to Ormesby | 1,239.74 mi (1,995.17 km) |
| Iernut to Ormskirk | 1,290.71 mi (2,077.20 km) |
| Iernut to Orpington | 1,141.41 mi (1,836.91 km) |
| Iernut to Ossett | 1,240.04 mi (1,995.65 km) |
| Iernut to Oswaldtwistle | 1,273.43 mi (2,049.38 km) |
