| Porto de Mos to Nottingham | 991.15 mi (1,595.10 km) |
| Porto de Mos to Nuneaton | 958.58 mi (1,542.69 km) |
| Porto de Mos to Oadby | 970.23 mi (1,561.43 km) |
| Porto de Mos to Oakengates | 953.68 mi (1,534.80 km) |
| Porto de Mos to Oakham | 980.95 mi (1,578.69 km) |
| Porto de Mos to Oldbury | 948.27 mi (1,526.10 km) |
| Porto de Mos to Oldham | 1,013.45 mi (1,630.99 km) |
| Porto de Mos to Ollerton | 1,008.90 mi (1,623.67 km) |
| Porto de Mos to Olton | 947.45 mi (1,524.77 km) |
| Porto de Mos to Omagh | 1,038.02 mi (1,670.53 km) |
| Porto de Mos to Ormesby | 1,091.94 mi (1,757.30 km) |
| Porto de Mos to Ormskirk | 1,004.26 mi (1,616.20 km) |
| Porto de Mos to Orpington | 919.37 mi (1,479.58 km) |
| Porto de Mos to Ossett | 1,030.23 mi (1,657.99 km) |
| Porto de Mos to Oswaldtwistle | 1,022.41 mi (1,645.41 km) |
