| Gharb to Nottingham | 1,384.57 mi (2,228.25 km) |
| Gharb to Nuneaton | 1,370.03 mi (2,204.85 km) |
| Gharb to Oadby | 1,363.57 mi (2,194.46 km) |
| Gharb to Oakengates | 1,406.04 mi (2,262.80 km) |
| Gharb to Oakham | 1,358.45 mi (2,186.21 km) |
| Gharb to Oldbury | 1,384.10 mi (2,227.50 km) |
| Gharb to Oldham | 1,441.48 mi (2,319.84 km) |
| Gharb to Ollerton | 1,394.60 mi (2,244.39 km) |
| Gharb to Olton | 1,374.79 mi (2,212.50 km) |
| Gharb to Omagh | 1,638.39 mi (2,636.73 km) |
| Gharb to Ormesby | 1,472.96 mi (2,370.49 km) |
| Gharb to Ormskirk | 1,463.13 mi (2,354.67 km) |
| Gharb to Orpington | 1,266.35 mi (2,037.99 km) |
| Gharb to Ossett | 1,434.91 mi (2,309.27 km) |
| Gharb to Oswaldtwistle | 1,459.26 mi (2,348.46 km) |
