| Estoril to Nottingham | 1,059.92 mi (1,705.77 km) |
| Estoril to Nuneaton | 1,027.35 mi (1,653.36 km) |
| Estoril to Oadby | 1,039.11 mi (1,672.28 km) |
| Estoril to Oakengates | 1,021.98 mi (1,644.72 km) |
| Estoril to Oakham | 1,049.92 mi (1,689.68 km) |
| Estoril to Oldbury | 1,016.83 mi (1,636.43 km) |
| Estoril to Oldham | 1,081.65 mi (1,740.75 km) |
| Estoril to Ollerton | 1,077.64 mi (1,734.30 km) |
| Estoril to Olton | 1,016.11 mi (1,635.27 km) |
| Estoril to Omagh | 1,102.02 mi (1,773.53 km) |
| Estoril to Ormesby | 1,160.25 mi (1,867.24 km) |
| Estoril to Ormskirk | 1,072.06 mi (1,725.31 km) |
| Estoril to Orpington | 988.71 mi (1,591.18 km) |
| Estoril to Ossett | 1,098.62 mi (1,768.06 km) |
| Estoril to Oswaldtwistle | 1,090.41 mi (1,754.84 km) |
