| Alcobaca to Nottingham | 997.13 mi (1,604.73 km) |
| Alcobaca to Nuneaton | 964.57 mi (1,552.32 km) |
| Alcobaca to Oadby | 976.31 mi (1,571.21 km) |
| Alcobaca to Oakengates | 959.35 mi (1,543.92 km) |
| Alcobaca to Oakham | 987.10 mi (1,588.59 km) |
| Alcobaca to Oldbury | 954.11 mi (1,535.48 km) |
| Alcobaca to Oldham | 1,019.06 mi (1,640.01 km) |
| Alcobaca to Ollerton | 1,014.87 mi (1,633.27 km) |
| Alcobaca to Olton | 953.35 mi (1,534.28 km) |
| Alcobaca to Omagh | 1,041.92 mi (1,676.81 km) |
| Alcobaca to Ormesby | 1,097.61 mi (1,766.43 km) |
| Alcobaca to Ormskirk | 1,009.65 mi (1,624.87 km) |
| Alcobaca to Orpington | 926.04 mi (1,490.32 km) |
| Alcobaca to Ossett | 1,035.95 mi (1,667.21 km) |
| Alcobaca to Oswaldtwistle | 1,027.90 mi (1,654.25 km) |
