| Gretz-Armainvilliers to Nottingham | 336.65 mi (541.79 km) |
| Gretz-Armainvilliers to Nuneaton | 319.56 mi (514.29 km) |
| Gretz-Armainvilliers to Oadby | 314.36 mi (505.91 km) |
| Gretz-Armainvilliers to Oakengates | 354.89 mi (571.15 km) |
| Gretz-Armainvilliers to Oakham | 310.93 mi (500.39 km) |
| Gretz-Armainvilliers to Oldbury | 332.99 mi (535.90 km) |
| Gretz-Armainvilliers to Oldham | 392.68 mi (631.96 km) |
| Gretz-Armainvilliers to Ollerton | 348.59 mi (561.00 km) |
| Gretz-Armainvilliers to Olton | 323.74 mi (521.01 km) |
| Gretz-Armainvilliers to Omagh | 588.76 mi (947.52 km) |
| Gretz-Armainvilliers to Ormesby | 434.84 mi (699.80 km) |
| Gretz-Armainvilliers to Ormskirk | 412.64 mi (664.09 km) |
| Gretz-Armainvilliers to Orpington | 216.22 mi (347.97 km) |
| Gretz-Armainvilliers to Ossett | 388.83 mi (625.76 km) |
| Gretz-Armainvilliers to Oswaldtwistle | 410.40 mi (660.47 km) |
