| Ferentino to Nottingham | 1,026.32 mi (1,651.71 km) |
| Ferentino to Nuneaton | 1,015.99 mi (1,635.08 km) |
| Ferentino to Oadby | 1,007.32 mi (1,621.12 km) |
| Ferentino to Oakengates | 1,054.99 mi (1,697.85 km) |
| Ferentino to Oakham | 1,000.24 mi (1,609.74 km) |
| Ferentino to Oldbury | 1,032.57 mi (1,661.76 km) |
| Ferentino to Oldham | 1,083.42 mi (1,743.60 km) |
| Ferentino to Ollerton | 1,034.30 mi (1,664.55 km) |
| Ferentino to Olton | 1,022.83 mi (1,646.08 km) |
| Ferentino to Omagh | 1,291.86 mi (2,079.05 km) |
| Ferentino to Ormesby | 1,106.01 mi (1,779.95 km) |
| Ferentino to Ormskirk | 1,107.90 mi (1,782.98 km) |
| Ferentino to Orpington | 913.34 mi (1,469.88 km) |
| Ferentino to Ossett | 1,073.99 mi (1,728.42 km) |
| Ferentino to Oswaldtwistle | 1,101.05 mi (1,771.96 km) |
