| San Martin de Valdeiglesias to Nottingham | 883.15 mi (1,421.30 km) |
| San Martin de Valdeiglesias to Nuneaton | 851.44 mi (1,370.27 km) |
| San Martin de Valdeiglesias to Oadby | 859.77 mi (1,383.66 km) |
| San Martin de Valdeiglesias to Oakengates | 856.93 mi (1,379.10 km) |
| San Martin de Valdeiglesias to Oakham | 867.70 mi (1,396.43 km) |
| San Martin de Valdeiglesias to Oldbury | 846.39 mi (1,362.14 km) |
| San Martin de Valdeiglesias to Oldham | 916.90 mi (1,475.61 km) |
| San Martin de Valdeiglesias to Ollerton | 900.93 mi (1,449.90 km) |
| San Martin de Valdeiglesias to Olton | 843.18 mi (1,356.97 km) |
| San Martin de Valdeiglesias to Omagh | 991.92 mi (1,596.34 km) |
| San Martin de Valdeiglesias to Ormesby | 991.31 mi (1,595.35 km) |
| San Martin de Valdeiglesias to Ormskirk | 914.94 mi (1,472.45 km) |
| San Martin de Valdeiglesias to Orpington | 790.53 mi (1,272.24 km) |
| San Martin de Valdeiglesias to Ossett | 929.40 mi (1,495.72 km) |
| San Martin de Valdeiglesias to Oswaldtwistle | 929.12 mi (1,495.28 km) |
