| Sempeter pri Gorici to Nottingham | 820.21 mi (1,319.99 km) |
| Sempeter pri Gorici to Nuneaton | 817.37 mi (1,315.43 km) |
| Sempeter pri Gorici to Oadby | 805.40 mi (1,296.16 km) |
| Sempeter pri Gorici to Oakengates | 859.49 mi (1,383.22 km) |
| Sempeter pri Gorici to Oakham | 795.33 mi (1,279.97 km) |
| Sempeter pri Gorici to Oldbury | 837.29 mi (1,347.49 km) |
| Sempeter pri Gorici to Oldham | 875.37 mi (1,408.76 km) |
| Sempeter pri Gorici to Ollerton | 824.36 mi (1,326.67 km) |
| Sempeter pri Gorici to Olton | 827.30 mi (1,331.41 km) |
| Sempeter pri Gorici to Omagh | 1,094.72 mi (1,761.78 km) |
| Sempeter pri Gorici to Ormesby | 882.01 mi (1,419.46 km) |
| Sempeter pri Gorici to Ormskirk | 903.55 mi (1,454.12 km) |
| Sempeter pri Gorici to Orpington | 721.87 mi (1,161.74 km) |
| Sempeter pri Gorici to Ossett | 861.46 mi (1,386.39 km) |
| Sempeter pri Gorici to Oswaldtwistle | 892.09 mi (1,435.68 km) |
