| Sasso Marconi to Nottingham | 815.90 mi (1,313.06 km) |
| Sasso Marconi to Nuneaton | 806.86 mi (1,298.51 km) |
| Sasso Marconi to Oadby | 797.53 mi (1,283.50 km) |
| Sasso Marconi to Oakengates | 846.66 mi (1,362.56 km) |
| Sasso Marconi to Oakham | 789.92 mi (1,271.25 km) |
| Sasso Marconi to Oldbury | 824.18 mi (1,326.38 km) |
| Sasso Marconi to Oldham | 872.87 mi (1,404.75 km) |
| Sasso Marconi to Ollerton | 823.31 mi (1,324.98 km) |
| Sasso Marconi to Olton | 814.33 mi (1,310.54 km) |
| Sasso Marconi to Omagh | 1,084.04 mi (1,744.59 km) |
| Sasso Marconi to Ormesby | 893.52 mi (1,437.98 km) |
| Sasso Marconi to Ormskirk | 898.05 mi (1,445.28 km) |
| Sasso Marconi to Orpington | 705.09 mi (1,134.73 km) |
| Sasso Marconi to Ossett | 862.74 mi (1,388.44 km) |
| Sasso Marconi to Oswaldtwistle | 890.41 mi (1,432.97 km) |
