| Cartaxo to Nottingham | 1,020.15 mi (1,641.77 km) |
| Cartaxo to Nuneaton | 987.57 mi (1,589.35 km) |
| Cartaxo to Oadby | 999.07 mi (1,607.84 km) |
| Cartaxo to Oakengates | 983.17 mi (1,582.25 km) |
| Cartaxo to Oakham | 1,009.65 mi (1,624.88 km) |
| Cartaxo to Oldbury | 977.51 mi (1,573.15 km) |
| Cartaxo to Oldham | 1,043.02 mi (1,678.57 km) |
| Cartaxo to Ollerton | 1,037.92 mi (1,670.37 km) |
| Cartaxo to Olton | 976.57 mi (1,571.64 km) |
| Cartaxo to Omagh | 1,069.07 mi (1,720.50 km) |
| Cartaxo to Ormesby | 1,121.40 mi (1,804.72 km) |
| Cartaxo to Ormskirk | 1,034.12 mi (1,664.25 km) |
| Cartaxo to Orpington | 947.03 mi (1,524.10 km) |
| Cartaxo to Ossett | 1,059.62 mi (1,705.29 km) |
| Cartaxo to Oswaldtwistle | 1,052.12 mi (1,693.23 km) |
