| Guillena to Nottingham | 1,091.11 mi (1,755.98 km) |
| Guillena to Nuneaton | 1,059.03 mi (1,704.35 km) |
| Guillena to Oadby | 1,068.19 mi (1,719.09 km) |
| Guillena to Oakengates | 1,061.82 mi (1,708.84 km) |
| Guillena to Oakham | 1,076.80 mi (1,732.94 km) |
| Guillena to Oldbury | 1,052.61 mi (1,694.02 km) |
| Guillena to Oldham | 1,122.08 mi (1,805.81 km) |
| Guillena to Ollerton | 1,108.97 mi (1,784.71 km) |
| Guillena to Olton | 1,050.01 mi (1,689.82 km) |
| Guillena to Omagh | 1,179.96 mi (1,898.95 km) |
| Guillena to Ormesby | 1,197.93 mi (1,927.88 km) |
| Guillena to Ormskirk | 1,118.02 mi (1,799.29 km) |
| Guillena to Orpington | 1,002.34 mi (1,613.12 km) |
| Guillena to Ossett | 1,135.79 mi (1,827.88 km) |
| Guillena to Oswaldtwistle | 1,133.45 mi (1,824.10 km) |
