| Cities | Distance |
|---|---|
| Seclin to Nottingham | 244.00 mi (392.68 km) |
| Seclin to Nuneaton | 236.52 mi (380.65 km) |
| Seclin to Oadby | 226.11 mi (363.89 km) |
| Seclin to Oakengates | 277.86 mi (447.17 km) |
| Seclin to Oakham | 218.05 mi (350.91 km) |
| Seclin to Oldbury | 255.48 mi (411.15 km) |
| Seclin to Oldham | 300.99 mi (484.39 km) |
| Seclin to Ollerton | 251.73 mi (405.12 km) |
| Seclin to Olton | 245.50 mi (395.09 km) |
| Seclin to Omagh | 514.77 mi (828.45 km) |
| Seclin to Ormesby | 328.08 mi (527.99 km) |
| Seclin to Ormskirk | 326.41 mi (525.30 km) |
| Seclin to Orpington | 139.71 mi (224.84 km) |
| Seclin to Ossett | 291.55 mi (469.20 km) |
| Seclin to Oswaldtwistle | 318.55 mi (512.66 km) |