| Le Grand-Saconnex to Nottingham | 566.39 mi (911.51 km) |
| Le Grand-Saconnex to Nuneaton | 551.88 mi (888.17 km) |
| Le Grand-Saconnex to Oadby | 545.29 mi (877.56 km) |
| Le Grand-Saconnex to Oakengates | 588.55 mi (947.18 km) |
| Le Grand-Saconnex to Oakham | 540.29 mi (869.51 km) |
| Le Grand-Saconnex to Oldbury | 566.44 mi (911.60 km) |
| Le Grand-Saconnex to Oldham | 623.23 mi (1,003.00 km) |
| Le Grand-Saconnex to Ollerton | 576.73 mi (928.16 km) |
| Le Grand-Saconnex to Olton | 557.00 mi (896.41 km) |
| Le Grand-Saconnex to Omagh | 823.15 mi (1,324.73 km) |
| Le Grand-Saconnex to Ormesby | 657.60 mi (1,058.30 km) |
| Le Grand-Saconnex to Ormskirk | 644.94 mi (1,037.92 km) |
| Le Grand-Saconnex to Orpington | 448.20 mi (721.31 km) |
| Le Grand-Saconnex to Ossett | 617.10 mi (993.13 km) |
| Le Grand-Saconnex to Oswaldtwistle | 641.02 mi (1,031.62 km) |
