| Illescas to Nottingham | 895.88 mi (1,441.78 km) |
| Illescas to Nuneaton | 864.47 mi (1,391.22 km) |
| Illescas to Oadby | 872.22 mi (1,403.70 km) |
| Illescas to Oakengates | 871.52 mi (1,402.58 km) |
| Illescas to Oakham | 879.66 mi (1,415.67 km) |
| Illescas to Oldbury | 860.26 mi (1,384.45 km) |
| Illescas to Oldham | 931.23 mi (1,498.68 km) |
| Illescas to Ollerton | 913.57 mi (1,470.25 km) |
| Illescas to Olton | 856.70 mi (1,378.72 km) |
| Illescas to Omagh | 1,012.70 mi (1,629.78 km) |
| Illescas to Ormesby | 1,004.70 mi (1,616.92 km) |
| Illescas to Ormskirk | 930.35 mi (1,497.25 km) |
| Illescas to Orpington | 800.28 mi (1,287.92 km) |
| Illescas to Ossett | 943.03 mi (1,517.66 km) |
| Illescas to Oswaldtwistle | 943.88 mi (1,519.03 km) |
