| Povoa de Santa Iria to Nottingham | 1,043.87 mi (1,679.95 km) |
| Povoa de Santa Iria to Nuneaton | 1,011.30 mi (1,627.53 km) |
| Povoa de Santa Iria to Oadby | 1,022.90 mi (1,646.20 km) |
| Povoa de Santa Iria to Oakengates | 1,006.51 mi (1,619.83 km) |
| Povoa de Santa Iria to Oakham | 1,033.57 mi (1,663.37 km) |
| Povoa de Santa Iria to Oldbury | 1,001.06 mi (1,611.05 km) |
| Povoa de Santa Iria to Oldham | 1,066.29 mi (1,716.03 km) |
| Povoa de Santa Iria to Ollerton | 1,061.63 mi (1,708.53 km) |
| Povoa de Santa Iria to Olton | 1,000.21 mi (1,609.68 km) |
| Povoa de Santa Iria to Omagh | 1,089.87 mi (1,753.98 km) |
| Povoa de Santa Iria to Ormesby | 1,144.77 mi (1,842.33 km) |
| Povoa de Santa Iria to Ormskirk | 1,057.11 mi (1,701.25 km) |
| Povoa de Santa Iria to Orpington | 971.46 mi (1,563.41 km) |
| Povoa de Santa Iria to Ossett | 1,083.05 mi (1,743.00 km) |
| Povoa de Santa Iria to Oswaldtwistle | 1,075.26 mi (1,730.46 km) |
