| Odivelas to Nottingham | 1,050.47 mi (1,690.57 km) |
| Odivelas to Nuneaton | 1,017.90 mi (1,638.16 km) |
| Odivelas to Oadby | 1,029.55 mi (1,656.90 km) |
| Odivelas to Oakengates | 1,012.93 mi (1,630.16 km) |
| Odivelas to Oakham | 1,040.26 mi (1,674.14 km) |
| Odivelas to Oldbury | 1,007.58 mi (1,621.54 km) |
| Odivelas to Oldham | 1,072.68 mi (1,726.31 km) |
| Odivelas to Ollerton | 1,068.22 mi (1,719.13 km) |
| Odivelas to Olton | 1,006.76 mi (1,620.23 km) |
| Odivelas to Omagh | 1,095.22 mi (1,762.58 km) |
| Odivelas to Ormesby | 1,151.19 mi (1,852.67 km) |
| Odivelas to Ormskirk | 1,063.37 mi (1,711.32 km) |
| Odivelas to Orpington | 978.42 mi (1,574.61 km) |
| Odivelas to Ossett | 1,089.50 mi (1,753.39 km) |
| Odivelas to Oswaldtwistle | 1,081.58 mi (1,740.63 km) |
